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2022222230 = 25728888889
BaseRepresentation
bin111100010001000…
…1010100110010110
312012221011112101122
41320202022212112
513120142102410
6532355123542
7101053414430
oct17042124626
95187145348
102022222230
11948545546
124852a35b2
13262c58102
14152801650
15bc801e55
hex7888a996

2022222230 has 16 divisors (see below), whose sum is σ = 4160000160. Its totient is φ = 693333312.

The previous prime is 2022222221. The next prime is 2022222239. The reversal of 2022222230 is 322222202.

It is an interprime number because it is at equal distance from previous prime (2022222221) and next prime (2022222239).

It is a junction number, because it is equal to n+sod(n) for n = 2022222199 and 2022222208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022222239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14444375 + ... + 14444514.

It is an arithmetic number, because the mean of its divisors is an integer number (260000010).

Almost surely, 22022222230 is an apocalyptic number.

2022222230 is an abundant number, since it is smaller than the sum of its proper divisors (2137777930).

2022222230 is a wasteful number, since it uses less digits than its factorization.

2022222230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28888903.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2022222230 is about 44969.1252972526. The cubic root of 2022222230 is about 1264.5702488079.

Adding to 2022222230 its reverse (322222202), we get a palindrome (2344444432).

The spelling of 2022222230 in words is "two billion, twenty-two million, two hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 28888889 57777778 144444445 202222223 288888890 404444446 1011111115 2022222230