249999922 has 4 divisors (see below), whose sum is σ = 374999886. Its totient is φ = 124999960.

The previous prime is 249999917. The next prime is 249999941. The reversal of 249999922 is 229999942.

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

It can be written as a sum of positive squares in only one way, i.e., 219958561 + 30041361 = 14831^2 + 5481^2 .

It is a super-2 number, since 2×249999922² = 124999922000012168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62499979 + ... + 62499982.

Almost surely, 2^249999922 is an apocalyptic number.

249999922 is a deficient number, since it is larger than the sum of its proper divisors (124999964).

249999922 is a wasteful number, since it uses less digits than its factorization.

249999922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124999963.

The product of its digits is 1889568, while the sum is 55.

The square root of 249999922 is about 15811.3858342651. The cubic root of 249999922 is about 629.9604594315.

The spelling of 249999922 in words is "two hundred forty-nine million, nine hundred ninety-nine thousand, nine hundred twenty-two".