402400040222 has 4 divisors (see below), whose sum is σ = 603600060336. Its totient is φ = 201200020110.

The previous prime is 402400040219. The next prime is 402400040309. The reversal of 402400040222 is 222040004204.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 402400040194 and 402400040203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100600010054 + ... + 100600010057.

It is an arithmetic number, because the mean of its divisors is an integer number (150900015084).

Almost surely, 2^402400040222 is an apocalyptic number.

402400040222 is a deficient number, since it is larger than the sum of its proper divisors (201200020114).

402400040222 is a wasteful number, since it uses less digits than its factorization.

402400040222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201200020113.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 402400040222 its reverse (222040004204), we get a palindrome (624440044426).

The spelling of 402400040222 in words is "four hundred two billion, four hundred million, forty thousand, two hundred twenty-two".