22614981 has 8 divisors (see below), whose sum is σ = 31927104. Its totient is φ = 14189760.

The previous prime is 22614967. The next prime is 22615013. The reversal of 22614981 is 18941622.

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

It is not a de Polignac number, because 22614981 - 2⁷ = 22614853 is a prime.

It is a super-2 number, since 2×22614981² = 1022874731260722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22614931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221665 + ... + 221766.

It is an arithmetic number, because the mean of its divisors is an integer number (3990888).

Almost surely, 2^22614981 is an apocalyptic number.

It is an amenable number.

22614981 is a deficient number, since it is larger than the sum of its proper divisors (9312123).

22614981 is a wasteful number, since it uses less digits than its factorization.

22614981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443451.

The product of its digits is 6912, while the sum is 33.

The square root of 22614981 is about 4755.5211070923. The cubic root of 22614981 is about 282.7908863207.

The spelling of 22614981 in words is "twenty-two million, six hundred fourteen thousand, nine hundred eighty-one".