22155058 has 4 divisors (see below), whose sum is σ = 33232590. Its totient is φ = 11077528.

The previous prime is 22155011. The next prime is 22155059. The reversal of 22155058 is 85055122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85055122 = 2 ⋅42527561.

It can be written as a sum of positive squares in only one way, i.e., 12061729 + 10093329 = 3473^2 + 3177^2 .

It is not an unprimeable number, because it can be changed into a prime (22155059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5538763 + ... + 5538766.

Almost surely, 2^22155058 is an apocalyptic number.

22155058 is a deficient number, since it is larger than the sum of its proper divisors (11077532).

22155058 is a wasteful number, since it uses less digits than its factorization.

22155058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11077531.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 22155058 is about 4706.9159754557. The cubic root of 22155058 is about 280.8606934359.

The spelling of 22155058 in words is "twenty-two million, one hundred fifty-five thousand, fifty-eight".