222153534 has 24 divisors (see below), whose sum is σ = 481854360. Its totient is φ = 73970928.

The previous prime is 222153473. The next prime is 222153557. The reversal of 222153534 is 435351222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222153498 and 222153507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11757 + ... + 24135.

It is an arithmetic number, because the mean of its divisors is an integer number (20077265).

Almost surely, 2^222153534 is an apocalyptic number.

222153534 is an abundant number, since it is smaller than the sum of its proper divisors (259700826).

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

222153534 is a wasteful number, since it uses less digits than its factorization.

222153534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13384 (or 13381 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 222153534 is about 14904.8157989289. The cubic root of 222153534 is about 605.6444504548.

It can be divided in two parts, 2221 and 53534, that added together give a palindrome (55755).

The spelling of 222153534 in words is "two hundred twenty-two million, one hundred fifty-three thousand, five hundred thirty-four".