22077146 has 72 divisors (see below), whose sum is σ = 44060544. Its totient is φ = 8255520.

The previous prime is 22077127. The next prime is 22077161. The reversal of 22077146 is 64177022.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 513401 + ... + 513443.

It is an arithmetic number, because the mean of its divisors is an integer number (611952).

Almost surely, 2^22077146 is an apocalyptic number.

22077146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22077146 is a deficient number, since it is larger than the sum of its proper divisors (21983398).

22077146 is a wasteful number, since it uses less digits than its factorization.

22077146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 22077146 is about 4698.6323542069. The cubic root of 22077146 is about 280.5310754069.

The spelling of 22077146 in words is "twenty-two million, seventy-seven thousand, one hundred forty-six".