1622112290 has 16 divisors (see below), whose sum is σ = 3091555512. Its totient is φ = 610677504.

The previous prime is 1622112257. The next prime is 1622112337. The reversal of 1622112290 is 922112261.

It can be written as a sum of positive squares in 4 ways, for example, as 1059046849 + 563065441 = 32543^2 + 23729^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4770749 + ... + 4771088.

Almost surely, 2^1622112290 is an apocalyptic number.

1622112290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1622112290 is a deficient number, since it is larger than the sum of its proper divisors (1469443222).

1622112290 is a wasteful number, since it uses less digits than its factorization.

1622112290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9541861.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1622112290 is about 40275.4551805439. The cubic root of 1622112290 is about 1174.9705234797.

The spelling of 1622112290 in words is "one billion, six hundred twenty-two million, one hundred twelve thousand, two hundred ninety".