22561419 has 8 divisors (see below), whose sum is σ = 30137040. Its totient is φ = 15013376.

The previous prime is 22561403. The next prime is 22561421. The reversal of 22561419 is 91416522.

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

It is a cyclic number.

It is not a de Polignac number, because 22561419 - 2⁴ = 22561403 is a prime.

It is a super-2 number, since 2×22561419² = 1018035254587122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22561489) 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, 4902 + ... + 8315.

It is an arithmetic number, because the mean of its divisors is an integer number (3767130).

Almost surely, 2^22561419 is an apocalyptic number.

22561419 is a deficient number, since it is larger than the sum of its proper divisors (7575621).

22561419 is a wasteful number, since it uses less digits than its factorization.

22561419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13789.

The product of its digits is 4320, while the sum is 30.

The square root of 22561419 is about 4749.8862091633. The cubic root of 22561419 is about 282.5674530238.

The spelling of 22561419 in words is "twenty-two million, five hundred sixty-one thousand, four hundred nineteen".