22397076 has 36 divisors (see below), whose sum is σ = 60971092. Its totient is φ = 6891264.

The previous prime is 22397069. The next prime is 22397083. The reversal of 22397076 is 67079322.

It is an interprime number because it is at equal distance from previous prime (22397069) and next prime (22397083).

It can be written as a sum of positive squares in 2 ways, for example, as 7420176 + 14976900 = 2724^2 + 3870^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22397076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23461 + ... + 24396.

Almost surely, 2^22397076 is an apocalyptic number.

22397076 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22397076 is an abundant number, since it is smaller than the sum of its proper divisors (38574016).

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

22397076 is a wasteful number, since it uses less digits than its factorization.

22397076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47880 (or 47875 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 22397076 is about 4732.5549125182. The cubic root of 22397076 is about 281.8796830932.

The spelling of 22397076 in words is "twenty-two million, three hundred ninety-seven thousand, seventy-six".