22801390 has 16 divisors (see below), whose sum is σ = 41101632. Its totient is φ = 9107424.

The previous prime is 22801367. The next prime is 22801391. The reversal of 22801390 is 9310822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22801391) 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, 8827 + ... + 11113.

It is an arithmetic number, because the mean of its divisors is an integer number (2568852).

Almost surely, 2^22801390 is an apocalyptic number.

22801390 is a deficient number, since it is larger than the sum of its proper divisors (18300242).

22801390 is a wasteful number, since it uses less digits than its factorization.

22801390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 22801390 is about 4775.0801040401. The cubic root of 22801390 is about 283.5657500897.

The spelling of 22801390 in words is "twenty-two million, eight hundred one thousand, three hundred ninety".