22801340 has 24 divisors (see below), whose sum is σ = 48001632. Its totient is φ = 9097920.

The previous prime is 22801333. The next prime is 22801357. The reversal of 22801340 is 4310822.

It is a super-2 number, since 2×22801340² = 1039802211591200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8570 + ... + 10910.

It is an arithmetic number, because the mean of its divisors is an integer number (2000068).

Almost surely, 2^22801340 is an apocalyptic number.

22801340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22801340 is an abundant number, since it is smaller than the sum of its proper divisors (25200292).

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

22801340 is a wasteful number, since it uses less digits than its factorization.

22801340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837 (or 2835 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 22801340 is about 4775.0748685230. The cubic root of 22801340 is about 283.5655428173.

The spelling of 22801340 in words is "twenty-two million, eight hundred one thousand, three hundred forty".