287402002274 has 32 divisors (see below), whose sum is σ = 440012145456. Its totient is φ = 140752062720.

The previous prime is 287402002219. The next prime is 287402002289. The reversal of 287402002274 is 472200204782.

It can be written as a sum of positive squares in 8 ways, for example, as 41789580625 + 245612421649 = 204425^2 + 495593^2 .

It is a super-2 number, since 2×287402002274² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43195532 + ... + 43202184.

Almost surely, 2^287402002274 is an apocalyptic number.

287402002274 is a deficient number, since it is larger than the sum of its proper divisors (152610143182).

287402002274 is a wasteful number, since it uses less digits than its factorization.

287402002274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8150.

The product of its (nonzero) digits is 100352, while the sum is 38.

The spelling of 287402002274 in words is "two hundred eighty-seven billion, four hundred two million, two thousand, two hundred seventy-four".