426225261 has 32 divisors (see below), whose sum is σ = 710673408. Its totient is φ = 220746240.

The previous prime is 426225251. The next prime is 426225287. The reversal of 426225261 is 162522624.

It is a happy number.

It is not a de Polignac number, because 426225261 - 2⁵ = 426225229 is a prime.

It is a super-2 number, since 2×426225261² = 363335946229036242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426225211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78930 + ... + 84156.

It is an arithmetic number, because the mean of its divisors is an integer number (22208544).

Almost surely, 2^426225261 is an apocalyptic number.

It is an amenable number.

426225261 is a deficient number, since it is larger than the sum of its proper divisors (284448147).

426225261 is a wasteful number, since it uses less digits than its factorization.

426225261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601.

The product of its digits is 11520, while the sum is 30.

The square root of 426225261 is about 20645.2236849108. The cubic root of 426225261 is about 752.5691218794.

Adding to 426225261 its reverse (162522624), we get a palindrome (588747885).

The spelling of 426225261 in words is "four hundred twenty-six million, two hundred twenty-five thousand, two hundred sixty-one".