2194274457 has 24 divisors (see below), whose sum is σ = 3275071488. Its totient is φ = 1414224000.

The previous prime is 2194274447. The next prime is 2194274461. The reversal of 2194274457 is 7544724912.

2194274457 is a `hidden beast` number, since 2 + 194 + 2 + 7 + 4 + 457 = 666.

It is not a de Polignac number, because 2194274457 - 2²² = 2190080153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2194274417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317713 + ... + 324545.

It is an arithmetic number, because the mean of its divisors is an integer number (136461312).

Almost surely, 2^2194274457 is an apocalyptic number.

It is an amenable number.

2194274457 is a deficient number, since it is larger than the sum of its proper divisors (1080797031).

2194274457 is a wasteful number, since it uses less digits than its factorization.

2194274457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8021 (or 8018 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 2194274457 is about 46843.0833421542. The cubic root of 2194274457 is about 1299.4621950971.

The spelling of 2194274457 in words is "two billion, one hundred ninety-four million, two hundred seventy-four thousand, four hundred fifty-seven".