22805394 has 32 divisors (see below), whose sum is σ = 47952960. Its totient is φ = 7221312.

The previous prime is 22805383. The next prime is 22805407. The reversal of 22805394 is 49350822.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8352 + ... + 10740.

It is an arithmetic number, because the mean of its divisors is an integer number (1498530).

Almost surely, 2^22805394 is an apocalyptic number.

22805394 is an abundant number, since it is smaller than the sum of its proper divisors (25147566).

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

22805394 is a wasteful number, since it uses less digits than its factorization.

22805394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 22805394 is about 4775.4993456182. The cubic root of 22805394 is about 283.5823474815.

It can be divided in two parts, 2280 and 5394, that multiplied together give a triangular number (12298320 = T₄₉₅₉).

The spelling of 22805394 in words is "twenty-two million, eight hundred five thousand, three hundred ninety-four".