422694151 has 4 divisors (see below), whose sum is σ = 461120904. Its totient is φ = 384267400.

The previous prime is 422694131. The next prime is 422694211. The reversal of 422694151 is 151496224.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 422694151 - 2⁵ = 422694119 is a prime.

It is a super-2 number, since 2×422694151² = 357340690579221602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422694131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19213360 + ... + 19213381.

It is an arithmetic number, because the mean of its divisors is an integer number (115280226).

Almost surely, 2^422694151 is an apocalyptic number.

422694151 is the 9195-th centered decagonal number.

422694151 is a deficient number, since it is larger than the sum of its proper divisors (38426753).

422694151 is a wasteful number, since it uses less digits than its factorization.

422694151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38426752.

The product of its digits is 17280, while the sum is 34.

The square root of 422694151 is about 20559.5270130419. The cubic root of 422694151 is about 750.4851089729.

The spelling of 422694151 in words is "four hundred twenty-two million, six hundred ninety-four thousand, one hundred fifty-one".