297226642 has 8 divisors (see below), whose sum is σ = 446017932. Its totient is φ = 148554000.

The previous prime is 297226639. The next prime is 297226649. The reversal of 297226642 is 246622792.

It can be written as a sum of positive squares in 2 ways, for example, as 279257521 + 17969121 = 16711^2 + 4239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 297226595 and 297226604.

It is not an unprimeable number, because it can be changed into a prime (297226649) 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, 23109 + ... + 33592.

Almost surely, 2^297226642 is an apocalyptic number.

297226642 is a deficient number, since it is larger than the sum of its proper divisors (148791290).

297226642 is a wasteful number, since it uses less digits than its factorization.

297226642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59324.

The product of its digits is 145152, while the sum is 40.

The square root of 297226642 is about 17240.2622369847. The cubic root of 297226642 is about 667.3636969137.

The spelling of 297226642 in words is "two hundred ninety-seven million, two hundred twenty-six thousand, six hundred forty-two".