997433002228 has 24 divisors (see below), whose sum is σ = 1879835986280. Its totient is φ = 460339390080.

The previous prime is 997433002183. The next prime is 997433002271. The reversal of 997433002228 is 822200334799.

It can be written as a sum of positive squares in 4 ways, for example, as 18971756644 + 978461245584 = 137738^2 + 989172^2 .

It is a super-2 number, since 2×997433002228² (a number of 25 digits) contains 22 as substring.

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, 1494418 + ... + 2056246.

Almost surely, 2^997433002228 is an apocalyptic number.

It is an amenable number.

997433002228 is a deficient number, since it is larger than the sum of its proper divisors (882402984052).

997433002228 is a wasteful number, since it uses less digits than its factorization.

997433002228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595987 (or 595985 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 997433002228 in words is "nine hundred ninety-seven billion, four hundred thirty-three million, two thousand, two hundred twenty-eight".