402222401244 has 96 divisors (see below), whose sum is σ = 1046108044800. Its totient is φ = 133649343360.

The previous prime is 402222401227. The next prime is 402222401297. The reversal of 402222401244 is 442104222204.

402222401244 is a `hidden beast` number, since 402 + 2 + 2 + 240 + 12 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49905687 + ... + 49913745.

It is an arithmetic number, because the mean of its divisors is an integer number (10896958800).

Almost surely, 2^402222401244 is an apocalyptic number.

It is an amenable number.

402222401244 is an abundant number, since it is smaller than the sum of its proper divisors (643885643556).

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

402222401244 is a wasteful number, since it uses less digits than its factorization.

402222401244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9480 (or 9472 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 402222401244 its reverse (442104222204), we get a palindrome (844326623448).

The spelling of 402222401244 in words is "four hundred two billion, two hundred twenty-two million, four hundred one thousand, two hundred forty-four".