22497936 has 80 divisors (see below), whose sum is σ = 62496000. Its totient is φ = 6948864.

The previous prime is 22497931. The next prime is 22497941. The reversal of 22497936 is 63979422.

22497936 = T₄₆₄ + T₄₆₅ + ... + T₆₁₆.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22497931) and next prime (22497941).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22497931) 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 15 ways as a sum of consecutive naturals, for example, 64290 + ... + 64638.

It is an arithmetic number, because the mean of its divisors is an integer number (781200).

Almost surely, 2^22497936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22497936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31248000).

22497936 is an abundant number, since it is smaller than the sum of its proper divisors (39998064).

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

22497936 is a wasteful number, since it uses less digits than its factorization.

22497936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 450 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 22497936 is about 4743.1989205598. The cubic root of 22497936 is about 282.3021759632.

The spelling of 22497936 in words is "twenty-two million, four hundred ninety-seven thousand, nine hundred thirty-six".