22248563506 has 16 divisors (see below), whose sum is σ = 36373002624. Its totient is φ = 10144849104.

The previous prime is 22248563503. The next prime is 22248563509. The reversal of 22248563506 is 60536584222.

It is an interprime number because it is at equal distance from previous prime (22248563503) and next prime (22248563509).

It is not an unprimeable number, because it can be changed into a prime (22248563503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5152746 + ... + 5157061.

It is an arithmetic number, because the mean of its divisors is an integer number (2273312664).

Almost surely, 2^22248563506 is an apocalyptic number.

22248563506 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22248563506 is a deficient number, since it is larger than the sum of its proper divisors (14124439118).

22248563506 is a wasteful number, since it uses less digits than its factorization.

22248563506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10309905.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 22248563506 in words is "twenty-two billion, two hundred forty-eight million, five hundred sixty-three thousand, five hundred six".