249222373 has 4 divisors (see below), whose sum is σ = 262339360. Its totient is φ = 236105388.

The previous prime is 249222371. The next prime is 249222401. The reversal of 249222373 is 373222942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 373222942 = 2 ⋅186611471.

It is a cyclic number.

It is not a de Polignac number, because 249222373 - 2¹ = 249222371 is a prime.

It is a super-2 number, since 2×249222373² = 124223582407502258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249222371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6558465 + ... + 6558502.

It is an arithmetic number, because the mean of its divisors is an integer number (65584840).

Almost surely, 2^249222373 is an apocalyptic number.

It is an amenable number.

249222373 is a deficient number, since it is larger than the sum of its proper divisors (13116987).

249222373 is a wasteful number, since it uses less digits than its factorization.

249222373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13116986.

The product of its digits is 36288, while the sum is 34.

The square root of 249222373 is about 15786.7784237317. The cubic root of 249222373 is about 629.3066807981.

The spelling of 249222373 in words is "two hundred forty-nine million, two hundred twenty-two thousand, three hundred seventy-three".