22197294 has 48 divisors (see below), whose sum is σ = 57387600. Its totient is φ = 6341328.

The previous prime is 22197293. The next prime is 22197311. The reversal of 22197294 is 49279122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22197293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1549 + ... + 6840.

It is an arithmetic number, because the mean of its divisors is an integer number (1195575).

Almost surely, 2^22197294 is an apocalyptic number.

22197294 is an abundant number, since it is smaller than the sum of its proper divisors (35190306).

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

22197294 is a wasteful number, since it uses less digits than its factorization.

22197294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8414 (or 8401 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 22197294 is about 4711.4004287473. The cubic root of 22197294 is about 281.0390560490.

The spelling of 22197294 in words is "twenty-two million, one hundred ninety-seven thousand, two hundred ninety-four".