697493222 has 4 divisors (see below), whose sum is σ = 1046239836. Its totient is φ = 348746610.

The previous prime is 697493183. The next prime is 697493231. The reversal of 697493222 is 222394796.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174373304 + ... + 174373307.

It is an arithmetic number, because the mean of its divisors is an integer number (261559959).

Almost surely, 2^697493222 is an apocalyptic number.

697493222 is a deficient number, since it is larger than the sum of its proper divisors (348746614).

697493222 is a wasteful number, since it uses less digits than its factorization.

697493222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348746613.

The product of its digits is 326592, while the sum is 44.

The square root of 697493222 is about 26410.0969706664. The cubic root of 697493222 is about 886.8428396301.

The spelling of 697493222 in words is "six hundred ninety-seven million, four hundred ninety-three thousand, two hundred twenty-two".