22695240 has 32 divisors (see below), whose sum is σ = 68086080. Its totient is φ = 6052032.

The previous prime is 22695229. The next prime is 22695241. The reversal of 22695240 is 4259622.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22695198 and 22695207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22695241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94444 + ... + 94683.

It is an arithmetic number, because the mean of its divisors is an integer number (2127690).

Almost surely, 2^22695240 is an apocalyptic number.

22695240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22695240 is an abundant number, since it is smaller than the sum of its proper divisors (45390840).

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

22695240 is a wasteful number, since it uses less digits than its factorization.

22695240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189141 (or 189137 counting only the distinct ones).

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

The square root of 22695240 is about 4763.9521408175. The cubic root of 22695240 is about 283.1250264365.

The spelling of 22695240 in words is "twenty-two million, six hundred ninety-five thousand, two hundred forty".