402222422444 has 12 divisors (see below), whose sum is σ = 715428407568. Its totient is φ = 197814306000.

The previous prime is 402222422431. The next prime is 402222422461. The reversal of 402222422444 is 444224222204.

It is a self number, because there is not a number n which added to its sum of digits gives 402222422444.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824226032 + ... + 824226519.

It is an arithmetic number, because the mean of its divisors is an integer number (59619033964).

Almost surely, 2^402222422444 is an apocalyptic number.

It is an amenable number.

402222422444 is a deficient number, since it is larger than the sum of its proper divisors (313205985124).

402222422444 is a wasteful number, since it uses less digits than its factorization.

402222422444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648452616 (or 1648452614 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 402222422444 its reverse (444224222204), we get a palindrome (846446644648).

The spelling of 402222422444 in words is "four hundred two billion, two hundred twenty-two million, four hundred twenty-two thousand, four hundred forty-four".