3642222396 has 24 divisors (see below), whose sum is σ = 8533789264. Its totient is φ = 1209035520.

The previous prime is 3642222379. The next prime is 3642222401. The reversal of 3642222396 is 6932222463.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626815 + ... + 632598.

Almost surely, 2^3642222396 is an apocalyptic number.

It is an amenable number.

3642222396 is an abundant number, since it is smaller than the sum of its proper divisors (4891566868).

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

3642222396 is a wasteful number, since it uses less digits than its factorization.

3642222396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259661 (or 1259659 counting only the distinct ones).

The product of its digits is 186624, while the sum is 39.

The square root of 3642222396 is about 60350.8276330988. The cubic root of 3642222396 is about 1538.5873361245.

The spelling of 3642222396 in words is "three billion, six hundred forty-two million, two hundred twenty-two thousand, three hundred ninety-six".