22051050 has 48 divisors (see below), whose sum is σ = 62501952. Its totient is φ = 5040000.

The previous prime is 22051019. The next prime is 22051061. The reversal of 22051050 is 5015022.

It is a super-2 number, since 2×22051050² = 972497612205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9451 + ... + 11550.

It is an arithmetic number, because the mean of its divisors is an integer number (1302124).

Almost surely, 2^22051050 is an apocalyptic number.

22051050 is an abundant number, since it is smaller than the sum of its proper divisors (40450902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22051050 is a wasteful number, since it uses less digits than its factorization.

22051050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21023 (or 21018 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 22051050 is about 4695.8545548175. The cubic root of 22051050 is about 280.4204991380.

Adding to 22051050 its reverse (5015022), we get a palindrome (27066072).

The spelling of 22051050 in words is "twenty-two million, fifty-one thousand, fifty".