22112655 has 8 divisors (see below), whose sum is σ = 35380272. Its totient is φ = 11793408.

The previous prime is 22112647. The next prime is 22112677. The reversal of 22112655 is 55621122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22112655 - 2³ = 22112647 is a prime.

It is a super-2 number, since 2×22112655² = 977939022298050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737074 + ... + 737103.

It is an arithmetic number, because the mean of its divisors is an integer number (4422534).

Almost surely, 2^22112655 is an apocalyptic number.

22112655 is a deficient number, since it is larger than the sum of its proper divisors (13267617).

22112655 is a wasteful number, since it uses less digits than its factorization.

22112655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474185.

The product of its digits is 1200, while the sum is 24.

The square root of 22112655 is about 4702.4094887621. The cubic root of 22112655 is about 280.6813974047.

Adding to 22112655 its reverse (55621122), we get a palindrome (77733777).

The spelling of 22112655 in words is "twenty-two million, one hundred twelve thousand, six hundred fifty-five".