22197464 has 8 divisors (see below), whose sum is σ = 41620260. Its totient is φ = 11098728.

The previous prime is 22197449. The next prime is 22197467. The reversal of 22197464 is 46479122.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22197467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387334 + ... + 1387349.

Almost surely, 2^22197464 is an apocalyptic number.

It is an amenable number.

22197464 is a deficient number, since it is larger than the sum of its proper divisors (19422796).

22197464 is a wasteful number, since it uses less digits than its factorization.

22197464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774689 (or 2774685 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 22197464 is about 4711.4184700576. The cubic root of 22197464 is about 281.0397735016.

The spelling of 22197464 in words is "twenty-two million, one hundred ninety-seven thousand, four hundred sixty-four".