422688061 has 4 divisors (see below), whose sum is σ = 431681472. Its totient is φ = 413694652.

The previous prime is 422688053. The next prime is 422688067. The reversal of 422688061 is 160886224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 422688061 - 2³ = 422688053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422688061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422688067) 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, 4496635 + ... + 4496728.

It is an arithmetic number, because the mean of its divisors is an integer number (107920368).

Almost surely, 2^422688061 is an apocalyptic number.

It is an amenable number.

422688061 is a deficient number, since it is larger than the sum of its proper divisors (8993411).

422688061 is an equidigital number, since it uses as much as digits as its factorization.

422688061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8993410.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 422688061 is about 20559.3789059884. The cubic root of 422688061 is about 750.4815047307.

The spelling of 422688061 in words is "four hundred twenty-two million, six hundred eighty-eight thousand, sixty-one".