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230120232222 = 23531475949031
BaseRepresentation
bin1101011001010000111…
…1000001010100011110
3210222222110211000110210
43112110033001110132
512232241234412342
6253414335113250
722424410462056
oct3262417012436
9728873730423
10230120232222
1189658965501
1238722972826
131891458caaa
14b1d04a6566
155ebc8ec79c
hex35943c151e

230120232222 has 32 divisors (see below), whose sum is σ = 468965583360. Its totient is φ = 75252812960.

The previous prime is 230120232187. The next prime is 230120232227. The reversal of 230120232222 is 222232021032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230120232227) 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, 4668847 + ... + 4717877.

It is an arithmetic number, because the mean of its divisors is an integer number (14655174480).

Almost surely, 2230120232222 is an apocalyptic number.

230120232222 is an abundant number, since it is smaller than the sum of its proper divisors (238845351138).

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

230120232222 is a wasteful number, since it uses less digits than its factorization.

230120232222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63848.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 230120232222 its reverse (222232021032), we get a palindrome (452352253254).

The spelling of 230120232222 in words is "two hundred thirty billion, one hundred twenty million, two hundred thirty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 53 106 159 318 14759 29518 44277 49031 88554 98062 147093 294186 782227 1564454 2346681 2598643 4693362 5197286 7795929 15591858 723648529 1447297058 2170945587 4341891174 38353372037 76706744074 115060116111 230120232222