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2222156830 = 25325368311
BaseRepresentation
bin1000010001110011…
…0110110000011110
312201212101021002211
42010130312300132
514022333004310
61004300311034
7106032010225
oct20434666036
95655337084
102222156830
11a40393353
1252024247a
132954bb6ca
141711a7cbc
15d0146c8a
hex84736c1e

2222156830 has 16 divisors (see below), whose sum is σ = 4001170464. Its totient is φ = 888576480.

The previous prime is 2222156821. The next prime is 2222156843. The reversal of 2222156830 is 386512222.

It is a junction number, because it is equal to n+sod(n) for n = 2222156792 and 2222156801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1626 + ... + 66685.

It is an arithmetic number, because the mean of its divisors is an integer number (250073154).

Almost surely, 22222156830 is an apocalyptic number.

2222156830 is a deficient number, since it is larger than the sum of its proper divisors (1779013634).

2222156830 is a wasteful number, since it uses less digits than its factorization.

2222156830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71571.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2222156830 is about 47139.7584847441. The cubic root of 2222156830 is about 1304.9430801693.

The spelling of 2222156830 in words is "two billion, two hundred twenty-two million, one hundred fifty-six thousand, eight hundred thirty".

Divisors: 1 2 5 10 3253 6506 16265 32530 68311 136622 341555 683110 222215683 444431366 1111078415 2222156830