22150597 has 8 divisors (see below), whose sum is σ = 25832000. Its totient is φ = 18985932.

The previous prime is 22150591. The next prime is 22150691. The reversal of 22150597 is 79505122.

It is not a de Polignac number, because 22150597 - 2¹¹ = 22148549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22150591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31947 + ... + 32632.

It is an arithmetic number, because the mean of its divisors is an integer number (3229000).

Almost surely, 2^22150597 is an apocalyptic number.

It is an amenable number.

22150597 is a deficient number, since it is larger than the sum of its proper divisors (3681403).

22150597 is an frugal number, since it uses more digits than its factorization.

22150597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64600 (or 64586 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 22150597 is about 4706.4420744337. The cubic root of 22150597 is about 280.8418414029.

The spelling of 22150597 in words is "twenty-two million, one hundred fifty thousand, five hundred ninety-seven".