22306194225 has 36 divisors (see below), whose sum is σ = 45660428736. Its totient is φ = 10197116640.

The previous prime is 22306194223. The next prime is 22306194227. The reversal of 22306194225 is 52249160322.

22306194225 is a `hidden beast` number, since 2 + 2 + 30 + 619 + 4 + 2 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (22306194223) and next prime (22306194227).

It is not a de Polignac number, because 22306194225 - 2¹ = 22306194223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22306194225.

It is not an unprimeable number, because it can be changed into a prime (22306194223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7079757 + ... + 7082906.

Almost surely, 2^22306194225 is an apocalyptic number.

22306194225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22306194225 is an abundant number, since it is smaller than the sum of its proper divisors (23354234511).

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

22306194225 is a wasteful number, since it uses less digits than its factorization.

22306194225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14162686 (or 14162678 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 22306194225 in words is "twenty-two billion, three hundred six million, one hundred ninety-four thousand, two hundred twenty-five".