22106940 has 36 divisors (see below), whose sum is σ = 62001576. Its totient is φ = 5885472.

The previous prime is 22106939. The next prime is 22106951. The reversal of 22106940 is 4960122.

It is a self number, because there is not a number n which added to its sum of digits gives 22106940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36117 + ... + 36723.

It is an arithmetic number, because the mean of its divisors is an integer number (1722266).

Almost surely, 2^22106940 is an apocalyptic number.

22106940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22106940 is an abundant number, since it is smaller than the sum of its proper divisors (39894636).

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

22106940 is an equidigital number, since it uses as much as digits as its factorization.

22106940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 22106940 is about 4701.8017822958. The cubic root of 22106940 is about 280.6572146852.

The spelling of 22106940 in words is "twenty-two million, one hundred six thousand, nine hundred forty".