222153234534 has 96 divisors (see below), whose sum is σ = 614739041280. Its totient is φ = 56294755200.

The previous prime is 222153234533. The next prime is 222153234581. The reversal of 222153234534 is 435432351222.

222153234534 is a `hidden beast` number, since 22 + 21 + 53 + 2 + 34 + 534 = 666.

It is a super-2 number, since 2×222153234534² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222153234533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1897854 + ... + 2011505.

It is an arithmetic number, because the mean of its divisors is an integer number (6403531680).

Almost surely, 2^222153234534 is an apocalyptic number.

222153234534 is an abundant number, since it is smaller than the sum of its proper divisors (392585806746).

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

222153234534 is a wasteful number, since it uses less digits than its factorization.

222153234534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909426 (or 3909423 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 222153234534 its reverse (435432351222), we get a palindrome (657585585756).

The spelling of 222153234534 in words is "two hundred twenty-two billion, one hundred fifty-three million, two hundred thirty-four thousand, five hundred thirty-four".