22420569 has 16 divisors (see below), whose sum is σ = 31752000. Its totient is φ = 14023680.

The previous prime is 22420549. The next prime is 22420571. The reversal of 22420569 is 96502422.

It is not a de Polignac number, because 22420569 - 2⁷ = 22420441 is a prime.

It is a super-2 number, since 2×22420569² = 1005363828567522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22420529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25009 + ... + 25889.

It is an arithmetic number, because the mean of its divisors is an integer number (1984500).

Almost surely, 2^22420569 is an apocalyptic number.

It is an amenable number.

22420569 is a deficient number, since it is larger than the sum of its proper divisors (9331431).

22420569 is a wasteful number, since it uses less digits than its factorization.

22420569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 22420569 is about 4735.0363250983. The cubic root of 22420569 is about 281.9782061524.

The spelling of 22420569 in words is "twenty-two million, four hundred twenty thousand, five hundred sixty-nine".