22012522 has 8 divisors (see below), whose sum is σ = 37735776. Its totient is φ = 9433932.

The previous prime is 22012519. The next prime is 22012597. The reversal of 22012522 is 22521022.

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

It is a super-2 number, since 2×22012522² = 969102249600968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22012496 and 22012505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786148 + ... + 786175.

It is an arithmetic number, because the mean of its divisors is an integer number (4716972).

Almost surely, 2^22012522 is an apocalyptic number.

22012522 is a deficient number, since it is larger than the sum of its proper divisors (15723254).

22012522 is a wasteful number, since it uses less digits than its factorization.

22012522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572332.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 22012522 is about 4691.7504196195. The cubic root of 22012522 is about 280.2570853104.

Adding to 22012522 its reverse (22521022), we get a palindrome (44533544).

The spelling of 22012522 in words is "twenty-two million, twelve thousand, five hundred twenty-two".