249061822 has 4 divisors (see below), whose sum is σ = 373592736. Its totient is φ = 124530910.

The previous prime is 249061819. The next prime is 249061877. The reversal of 249061822 is 228160942.

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, 62265454 + ... + 62265457.

It is an arithmetic number, because the mean of its divisors is an integer number (93398184).

Almost surely, 2^249061822 is an apocalyptic number.

249061822 is a deficient number, since it is larger than the sum of its proper divisors (124530914).

249061822 is a wasteful number, since it uses less digits than its factorization.

249061822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124530913.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 249061822 is about 15781.6926215156. The cubic root of 249061822 is about 629.1715170091.

The spelling of 249061822 in words is "two hundred forty-nine million, sixty-one thousand, eight hundred twenty-two".