297226420 has 24 divisors (see below), whose sum is σ = 625603104. Its totient is φ = 118618656.

The previous prime is 297226387. The next prime is 297226441. The reversal of 297226420 is 24622792.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7914 + ... + 25633.

It is an arithmetic number, because the mean of its divisors is an integer number (26066796).

Almost surely, 2^297226420 is an apocalyptic number.

297226420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

297226420 is an abundant number, since it is smaller than the sum of its proper divisors (328376684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

297226420 is a wasteful number, since it uses less digits than its factorization.

297226420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33999 (or 33997 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 297226420 is about 17240.2557985663. The cubic root of 297226420 is about 667.3635307613.

It can be divided in two parts, 2972 and 26420, that added together give a palindrome (29392).

The spelling of 297226420 in words is "two hundred ninety-seven million, two hundred twenty-six thousand, four hundred twenty".