1572226338 has 16 divisors (see below), whose sum is σ = 3182338656. Its totient is φ = 517761120.

The previous prime is 1572226319. The next prime is 1572226339. The reversal of 1572226338 is 8336222751.

It is a junction number, because it is equal to n+sod(n) for n = 1572226296 and 1572226305.

It is not an unprimeable number, because it can be changed into a prime (1572226339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1578043 + ... + 1579038.

It is an arithmetic number, because the mean of its divisors is an integer number (198896166).

Almost surely, 2^1572226338 is an apocalyptic number.

1572226338 is an abundant number, since it is smaller than the sum of its proper divisors (1610112318).

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

1572226338 is a wasteful number, since it uses less digits than its factorization.

1572226338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157169.

The product of its digits is 120960, while the sum is 39.

The square root of 1572226338 is about 39651.3094109135. The cubic root of 1572226338 is about 1162.7999982368.

The spelling of 1572226338 in words is "one billion, five hundred seventy-two million, two hundred twenty-six thousand, three hundred thirty-eight".