421402413222 has 64 divisors (see below), whose sum is σ = 1071654144000. Its totient is φ = 120240288000.

The previous prime is 421402413217. The next prime is 421402413251. The reversal of 421402413222 is 222314204124.

It is a happy number.

421402413222 is a `hidden beast` number, since 4 + 21 + 4 + 0 + 2 + 413 + 222 = 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, 458347 + ... + 1026102.

It is an arithmetic number, because the mean of its divisors is an integer number (16744596000).

Almost surely, 2^421402413222 is an apocalyptic number.

421402413222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

421402413222 is an abundant number, since it is smaller than the sum of its proper divisors (650251730778).

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

421402413222 is a wasteful number, since it uses less digits than its factorization.

421402413222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485218 (or 1485212 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 421402413222 its reverse (222314204124), we get a palindrome (643716617346).

The spelling of 421402413222 in words is "four hundred twenty-one billion, four hundred two million, four hundred thirteen thousand, two hundred twenty-two".