4000022402 has 16 divisors (see below), whose sum is σ = 6148396800. Its totient is φ = 1950588960.

The previous prime is 4000022401. The next prime is 4000022417. The reversal of 4000022402 is 2042200004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4000022401) 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, 328499 + ... + 340457.

It is an arithmetic number, because the mean of its divisors is an integer number (384274800).

Almost surely, 2^4000022402 is an apocalyptic number.

4000022402 is a deficient number, since it is larger than the sum of its proper divisors (2148374398).

4000022402 is a wasteful number, since it uses less digits than its factorization.

4000022402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16081.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 4000022402 is about 63245.7303064800. The cubic root of 4000022402 is about 1587.4040153759.

Adding to 4000022402 its reverse (2042200004), we get a palindrome (6042222406).

The spelling of 4000022402 in words is "four billion, twenty-two thousand, four hundred two".