698226431 has 12 divisors (see below), whose sum is σ = 860001408. Its totient is φ = 563274432.

The previous prime is 698226409. The next prime is 698226437. The reversal of 698226431 is 134622896.

It is not a de Polignac number, because 698226431 - 2¹⁴ = 698210047 is a prime.

It is a super-2 number, since 2×698226431² = 975040297893995522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698226437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 418271 + ... + 419936.

It is an arithmetic number, because the mean of its divisors is an integer number (71666784).

Almost surely, 2^698226431 is an apocalyptic number.

698226431 is a deficient number, since it is larger than the sum of its proper divisors (161774977).

698226431 is a wasteful number, since it uses less digits than its factorization.

698226431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838238 (or 838231 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 698226431 is about 26423.9745496396. The cubic root of 698226431 is about 887.1534822850.

The spelling of 698226431 in words is "six hundred ninety-eight million, two hundred twenty-six thousand, four hundred thirty-one".