402223223400 has 96 divisors (see below), whose sum is σ = 1247009204160. Its totient is φ = 107249443840.

The previous prime is 402223223357. The next prime is 402223223401. The reversal of 402223223400 is 4322322204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (402223223401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8107069 + ... + 8156531.

It is an arithmetic number, because the mean of its divisors is an integer number (12989679210).

Almost surely, 2^402223223400 is an apocalyptic number.

402223223400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402223223400 is an abundant number, since it is smaller than the sum of its proper divisors (844785980760).

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

402223223400 is a wasteful number, since it uses less digits than its factorization.

402223223400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63035 (or 63026 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 402223223400 its reverse (4322322204), we get a palindrome (406545545604).

The spelling of 402223223400 in words is "four hundred two billion, two hundred twenty-three million, two hundred twenty-three thousand, four hundred".