249742322 has 4 divisors (see below), whose sum is σ = 374613486. Its totient is φ = 124871160.

The previous prime is 249742313. The next prime is 249742379. The reversal of 249742322 is 223247942.

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., 186841561 + 62900761 = 13669^2 + 7931^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62435579 + ... + 62435582.

Almost surely, 2^249742322 is an apocalyptic number.

249742322 is a deficient number, since it is larger than the sum of its proper divisors (124871164).

249742322 is a wasteful number, since it uses less digits than its factorization.

249742322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124871163.

The product of its digits is 48384, while the sum is 35.

The square root of 249742322 is about 15803.2377062424. The cubic root of 249742322 is about 629.7440145863.

The spelling of 249742322 in words is "two hundred forty-nine million, seven hundred forty-two thousand, three hundred twenty-two".