22420594 has 16 divisors (see below), whose sum is σ = 39475008. Its totient is φ = 9348912.

The previous prime is 22420591. The next prime is 22420609. The reversal of 22420594 is 49502422.

It is not an unprimeable number, because it can be changed into a prime (22420591) 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, 21124 + ... + 22159.

It is an arithmetic number, because the mean of its divisors is an integer number (2467188).

Almost surely, 2^22420594 is an apocalyptic number.

22420594 is a deficient number, since it is larger than the sum of its proper divisors (17054414).

22420594 is a wasteful number, since it uses less digits than its factorization.

22420594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43329.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 22420594 is about 4735.0389649928. The cubic root of 22420594 is about 281.9783109587.

The spelling of 22420594 in words is "twenty-two million, four hundred twenty thousand, five hundred ninety-four".