422260261 has 4 divisors (see below), whose sum is σ = 424448332. Its totient is φ = 420072192.

The previous prime is 422260247. The next prime is 422260273. The reversal of 422260261 is 162062224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 133056225 + 289204036 = 11535^2 + 17006^2 .

It is a cyclic number.

It is not a de Polignac number, because 422260261 - 2¹⁵ = 422227493 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 (422290261) 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, 1093746 + ... + 1094131.

It is an arithmetic number, because the mean of its divisors is an integer number (106112083).

Almost surely, 2^422260261 is an apocalyptic number.

It is an amenable number.

422260261 is a deficient number, since it is larger than the sum of its proper divisors (2188071).

422260261 is a wasteful number, since it uses less digits than its factorization.

422260261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188070.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 422260261 is about 20548.9722614052. The cubic root of 422260261 is about 750.2282333538.

The spelling of 422260261 in words is "four hundred twenty-two million, two hundred sixty thousand, two hundred sixty-one".