22945546 has 16 divisors (see below), whose sum is σ = 39246984. Its totient is φ = 9967104.

The previous prime is 22945523. The next prime is 22945591. The reversal of 22945546 is 64554922.

It can be written as a sum of positive squares in 4 ways, for example, as 18275625 + 4669921 = 4275^2 + 2161^2 .

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, 25515 + ... + 26398.

Almost surely, 2^22945546 is an apocalyptic number.

22945546 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22945546 is a deficient number, since it is larger than the sum of its proper divisors (16301438).

22945546 is a wasteful number, since it uses less digits than its factorization.

22945546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51945.

The product of its digits is 86400, while the sum is 37.

The square root of 22945546 is about 4790.1509370791. The cubic root of 22945546 is about 284.1620859458.

The spelling of 22945546 in words is "twenty-two million, nine hundred forty-five thousand, five hundred forty-six".