22400802 has 24 divisors (see below), whose sum is σ = 48637836. Its totient is φ = 7451136.

The previous prime is 22400797. The next prime is 22400813. The reversal of 22400802 is 20800422.

It can be written as a sum of positive squares in 2 ways, for example, as 22099401 + 301401 = 4701^2 + 549^2 .

It is a super-3 number, since 3×22400802³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 10098 + ... + 12114.

Almost surely, 2^22400802 is an apocalyptic number.

22400802 is an abundant number, since it is smaller than the sum of its proper divisors (26237034).

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

22400802 is a wasteful number, since it uses less digits than its factorization.

22400802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642 (or 2639 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 22400802 is about 4732.9485524354. The cubic root of 22400802 is about 281.8953134886.

The spelling of 22400802 in words is "twenty-two million, four hundred thousand, eight hundred two".