22297542 has 8 divisors (see below), whose sum is σ = 44595096. Its totient is φ = 7432512.

The previous prime is 22297537. The next prime is 22297553. The reversal of 22297542 is 24579222.

It is a sphenic number, since it is the product of 3 distinct primes.

22297542 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1858123 + ... + 1858134.

It is an arithmetic number, because the mean of its divisors is an integer number (5574387).

Almost surely, 2^22297542 is an apocalyptic number.

22297542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22297542 is a wasteful number, since it uses less digits than its factorization.

22297542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716262.

The product of its digits is 20160, while the sum is 33.

The square root of 22297542 is about 4722.0273188536. The cubic root of 22297542 is about 281.4614993822.

The spelling of 22297542 in words is "twenty-two million, two hundred ninety-seven thousand, five hundred forty-two".