22590422 has 4 divisors (see below), whose sum is σ = 33885636. Its totient is φ = 11295210.

The previous prime is 22590401. The next prime is 22590443. The reversal of 22590422 is 22409522.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22590401) and next prime (22590443).

It is a super-2 number, since 2×22590422² = 1020654332276168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22590391 and 22590400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5647604 + ... + 5647607.

It is an arithmetic number, because the mean of its divisors is an integer number (8471409).

Almost surely, 2^22590422 is an apocalyptic number.

22590422 is a deficient number, since it is larger than the sum of its proper divisors (11295214).

22590422 is a wasteful number, since it uses less digits than its factorization.

22590422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11295213.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 22590422 is about 4752.9382491255. The cubic root of 22590422 is about 282.6884825658.

Adding to 22590422 its reverse (22409522), we get a palindrome (44999944).

The spelling of 22590422 in words is "twenty-two million, five hundred ninety thousand, four hundred twenty-two".