22155135 has 16 divisors (see below), whose sum is σ = 35935584. Its totient is φ = 11653632.

The previous prime is 22155127. The next prime is 22155137. The reversal of 22155135 is 53155122.

22155135 = 2103² + 2104² + ... + 2107².

It is a happy number.

It is not a de Polignac number, because 22155135 - 2³ = 22155127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22155137) 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, 9022 + ... + 11211.

It is an arithmetic number, because the mean of its divisors is an integer number (2245974).

Almost surely, 2^22155135 is an apocalyptic number.

22155135 is a deficient number, since it is larger than the sum of its proper divisors (13780449).

22155135 is a wasteful number, since it uses less digits than its factorization.

22155135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20314.

The product of its digits is 1500, while the sum is 24.

The square root of 22155135 is about 4706.9241549020. The cubic root of 22155135 is about 280.8610188130.

The spelling of 22155135 in words is "twenty-two million, one hundred fifty-five thousand, one hundred thirty-five".