1622794090 has 16 divisors (see below), whose sum is σ = 2925473760. Its totient is φ = 648130000.

The previous prime is 1622794087. The next prime is 1622794091. The reversal of 1622794090 is 904972261.

It is not an unprimeable number, because it can be changed into a prime (1622794091) 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, 116536 + ... + 129715.

It is an arithmetic number, because the mean of its divisors is an integer number (182842110).

Almost surely, 2^1622794090 is an apocalyptic number.

1622794090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1622794090 is a deficient number, since it is larger than the sum of its proper divisors (1302679670).

1622794090 is a wasteful number, since it uses less digits than its factorization.

1622794090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246917.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1622794090 is about 40283.9185035418. The cubic root of 1622794090 is about 1175.1351201183.

The spelling of 1622794090 in words is "one billion, six hundred twenty-two million, seven hundred ninety-four thousand, ninety".