422164551 has 4 divisors (see below), whose sum is σ = 562886072. Its totient is φ = 281443032.

The previous prime is 422164543. The next prime is 422164559. The reversal of 422164551 is 155461224.

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

It is an interprime number because it is at equal distance from previous prime (422164543) and next prime (422164559).

It is not a de Polignac number, because 422164551 - 2³ = 422164543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422164559) 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, 70360756 + ... + 70360761.

It is an arithmetic number, because the mean of its divisors is an integer number (140721518).

Almost surely, 2^422164551 is an apocalyptic number.

422164551 is a deficient number, since it is larger than the sum of its proper divisors (140721521).

422164551 is a wasteful number, since it uses less digits than its factorization.

422164551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140721520.

The product of its digits is 9600, while the sum is 30.

The square root of 422164551 is about 20546.6433024959. The cubic root of 422164551 is about 750.1715465372.

The spelling of 422164551 in words is "four hundred twenty-two million, one hundred sixty-four thousand, five hundred fifty-one".