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2022211340 = 2252112272111
BaseRepresentation
bin111100010001000…
…0111111100001100
312012221010222110022
41320202013330030
513120141230330
6532355001312
7101053340612
oct17042077414
95187128408
102022211340
11948538346
12485299238
13262c53176
141527db6b2
15bc7edae5
hex78887f0c

2022211340 has 48 divisors (see below), whose sum is σ = 4287596544. Its totient is φ = 801124800.

The previous prime is 2022211333. The next prime is 2022211349. The reversal of 2022211340 is 431122202.

It is not an unprimeable number, because it can be changed into a prime (2022211349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 956885 + ... + 958995.

It is an arithmetic number, because the mean of its divisors is an integer number (89324928).

Almost surely, 22022211340 is an apocalyptic number.

2022211340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022211340 is an abundant number, since it is smaller than the sum of its proper divisors (2265385204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2022211340 is a wasteful number, since it uses less digits than its factorization.

2022211340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2022211340 is about 44969.0042140139. The cubic root of 2022211340 is about 1264.5679788307.

Adding to 2022211340 its reverse (431122202), we get a palindrome (2453333542).

The spelling of 2022211340 in words is "two billion, twenty-two million, two hundred eleven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 211 227 422 454 844 908 1055 1135 2110 2111 2270 4220 4222 4540 8444 10555 21110 42220 47897 95794 191588 239485 445421 478970 479197 890842 957940 958394 1781684 1916788 2227105 2395985 4454210 4791970 8908420 9583940 101110567 202221134 404442268 505552835 1011105670 2022211340