22953563 has 16 divisors (see below), whose sum is σ = 24881472. Its totient is φ = 21120000.

The previous prime is 22953551. The next prime is 22953589. The reversal of 22953563 is 36535922.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22953563 - 2¹⁰ = 22952539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22953503) 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, 95123 + ... + 95363.

It is an arithmetic number, because the mean of its divisors is an integer number (1555092).

Almost surely, 2^22953563 is an apocalyptic number.

22953563 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22953563 is a deficient number, since it is larger than the sum of its proper divisors (1927909).

22953563 is a wasteful number, since it uses less digits than its factorization.

22953563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406.

The product of its digits is 48600, while the sum is 35.

The square root of 22953563 is about 4790.9876852273. The cubic root of 22953563 is about 284.1951767858.

The spelling of 22953563 in words is "twenty-two million, nine hundred fifty-three thousand, five hundred sixty-three".