1794878022 has 16 divisors (see below), whose sum is σ = 4102578432. Its totient is φ = 512822280.

The previous prime is 1794877991. The next prime is 1794878023. The reversal of 1794878022 is 2208784971.

It is a super-2 number, since 2×1794878022² = 6443174227717264968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1794878023) 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, 21367554 + ... + 21367637.

It is an arithmetic number, because the mean of its divisors is an integer number (256411152).

Almost surely, 2^1794878022 is an apocalyptic number.

1794878022 is an abundant number, since it is smaller than the sum of its proper divisors (2307700410).

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

1794878022 is a wasteful number, since it uses less digits than its factorization.

1794878022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42735203.

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 1794878022 is about 42366.0007789265. Note that the first 3 decimals coincide. The cubic root of 1794878022 is about 1215.2854916853.

The spelling of 1794878022 in words is "one billion, seven hundred ninety-four million, eight hundred seventy-eight thousand, twenty-two".