400022014 has 24 divisors (see below), whose sum is σ = 692856144. Its totient is φ = 169680000.

The previous prime is 400021987. The next prime is 400022017. The reversal of 400022014 is 410220004.

It is a super-2 number, since 2×400022014² = 320035223369232392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400021985 and 400022003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400022017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141414 + ... + 144214.

It is an arithmetic number, because the mean of its divisors is an integer number (28869006).

Almost surely, 2^400022014 is an apocalyptic number.

400022014 is a deficient number, since it is larger than the sum of its proper divisors (292834130).

400022014 is a wasteful number, since it uses less digits than its factorization.

400022014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012 (or 2911 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 400022014 is about 20000.5503424281. The cubic root of 400022014 is about 736.8198161917.

Adding to 400022014 its reverse (410220004), we get a palindrome (810242018).

The spelling of 400022014 in words is "four hundred million, twenty-two thousand, fourteen".