22195494 has 24 divisors (see below), whose sum is σ = 48246120. Its totient is φ = 7374528.

The previous prime is 22195493. The next prime is 22195501. The reversal of 22195494 is 49459122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22195493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4237 + ... + 7895.

It is an arithmetic number, because the mean of its divisors is an integer number (2010255).

Almost surely, 2^22195494 is an apocalyptic number.

22195494 is an abundant number, since it is smaller than the sum of its proper divisors (26050626).

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

22195494 is a wasteful number, since it uses less digits than its factorization.

22195494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004 (or 4001 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 22195494 is about 4711.2093988699. The cubic root of 22195494 is about 281.0314592675.

The spelling of 22195494 in words is "twenty-two million, one hundred ninety-five thousand, four hundred ninety-four".