698149922 has 8 divisors (see below), whose sum is σ = 1047465372. Its totient is φ = 348994800.

The previous prime is 698149919. The next prime is 698149967. The reversal of 698149922 is 229941896.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 695324161 + 2825761 = 26369^2 + 1681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28529 + ... + 47012.

Almost surely, 2^698149922 is an apocalyptic number.

698149922 is a deficient number, since it is larger than the sum of its proper divisors (349315450).

698149922 is a wasteful number, since it uses less digits than its factorization.

698149922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80164.

The product of its digits is 559872, while the sum is 50.

The square root of 698149922 is about 26422.5267906005. The cubic root of 698149922 is about 887.1210774652.

The spelling of 698149922 in words is "six hundred ninety-eight million, one hundred forty-nine thousand, nine hundred twenty-two".