22076538 has 16 divisors (see below), whose sum is σ = 48167136. Its totient is φ = 6689840.

The previous prime is 22076519. The next prime is 22076563. The reversal of 22076538 is 83567022.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 22076499 and 22076508.

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, 167181 + ... + 167312.

It is an arithmetic number, because the mean of its divisors is an integer number (3010446).

Almost surely, 2^22076538 is an apocalyptic number.

22076538 is an abundant number, since it is smaller than the sum of its proper divisors (26090598).

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

22076538 is a wasteful number, since it uses less digits than its factorization.

22076538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334509.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 22076538 is about 4698.5676540835. The cubic root of 22076538 is about 280.5285001275.

The spelling of 22076538 in words is "twenty-two million, seventy-six thousand, five hundred thirty-eight".