1622878436 has 48 divisors (see below), whose sum is σ = 3001864320. Its totient is φ = 766191360.

The previous prime is 1622878417. The next prime is 1622878469. The reversal of 1622878436 is 6348782261.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

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, 4171730 + ... + 4172118.

It is an arithmetic number, because the mean of its divisors is an integer number (62538840).

Almost surely, 2^1622878436 is an apocalyptic number.

It is an amenable number.

1622878436 is a deficient number, since it is larger than the sum of its proper divisors (1378985884).

1622878436 is a wasteful number, since it uses less digits than its factorization.

1622878436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 882 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 1622878436 is about 40284.9653841231. The cubic root of 1622878436 is about 1175.1554792898.

The spelling of 1622878436 in words is "one billion, six hundred twenty-two million, eight hundred seventy-eight thousand, four hundred thirty-six".