997071622 has 16 divisors (see below), whose sum is σ = 1524663360. Its totient is φ = 488916648.

The previous prime is 997071617. The next prime is 997071629. The reversal of 997071622 is 226170799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997071629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14029 + ... + 46807.

It is an arithmetic number, because the mean of its divisors is an integer number (95291460).

Almost surely, 2^997071622 is an apocalyptic number.

997071622 is a deficient number, since it is larger than the sum of its proper divisors (527591738).

997071622 is a wasteful number, since it uses less digits than its factorization.

997071622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33075.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 997071622 is about 31576.4409330754. The cubic root of 997071622 is about 999.0229196249.

The spelling of 997071622 in words is "nine hundred ninety-seven million, seventy-one thousand, six hundred twenty-two".