424002222 has 32 divisors (see below), whose sum is σ = 1076832000. Its totient is φ = 121143384.

The previous prime is 424002211. The next prime is 424002251. The reversal of 424002222 is 222200424.

424002222 is a `hidden beast` number, since 42 + 400 + 2 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 424002195 and 424002204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560472 + ... + 561227.

It is an arithmetic number, because the mean of its divisors is an integer number (33651000).

Almost surely, 2^424002222 is an apocalyptic number.

424002222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

424002222 is an abundant number, since it is smaller than the sum of its proper divisors (652829778).

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

424002222 is a wasteful number, since it uses less digits than its factorization.

424002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121717 (or 1121711 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 424002222 is about 20591.3142368330. The cubic root of 424002222 is about 751.2584631795.

Adding to 424002222 its reverse (222200424), we get a palindrome (646202646).

The spelling of 424002222 in words is "four hundred twenty-four million, two thousand, two hundred twenty-two".