22420794 has 32 divisors (see below), whose sum is σ = 49728960. Its totient is φ = 6681600.

The previous prime is 22420789. The next prime is 22420819. The reversal of 22420794 is 49702422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1242 + ... + 6810.

It is an arithmetic number, because the mean of its divisors is an integer number (1554030).

Almost surely, 2^22420794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22420794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24864480).

22420794 is an abundant number, since it is smaller than the sum of its proper divisors (27308166).

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

22420794 is a wasteful number, since it uses less digits than its factorization.

22420794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 22420794 is about 4735.0600840961. The cubic root of 22420794 is about 281.9791494065.

The spelling of 22420794 in words is "twenty-two million, four hundred twenty thousand, seven hundred ninety-four".