22627481 has 8 divisors (see below), whose sum is σ = 22955520. Its totient is φ = 22301568.

The previous prime is 22627471. The next prime is 22627519. The reversal of 22627481 is 18472622.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22627481 is a prime.

It is a super-2 number, since 2×22627481² = 1024005792810722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22627421) 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 in 7 ways as a sum of consecutive naturals, for example, 46220 + ... + 46706.

It is an arithmetic number, because the mean of its divisors is an integer number (2869440).

Almost surely, 2^22627481 is an apocalyptic number.

It is an amenable number.

22627481 is a deficient number, since it is larger than the sum of its proper divisors (328039).

22627481 is an equidigital number, since it uses as much as digits as its factorization.

22627481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063.

The product of its digits is 10752, while the sum is 32.

The square root of 22627481 is about 4756.8351873909. The cubic root of 22627481 is about 282.8429791495.

The spelling of 22627481 in words is "twenty-two million, six hundred twenty-seven thousand, four hundred eighty-one".