249144022 has 8 divisors (see below), whose sum is σ = 377344656. Its totient is φ = 123362472.

The previous prime is 249144013. The next prime is 249144023. The reversal of 249144022 is 220441942.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249144023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604513 + ... + 604924.

It is an arithmetic number, because the mean of its divisors is an integer number (47168082).

Almost surely, 2^249144022 is an apocalyptic number.

249144022 is a deficient number, since it is larger than the sum of its proper divisors (128200634).

249144022 is a wasteful number, since it uses less digits than its factorization.

249144022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209542.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 249144022 is about 15784.2966900651. The cubic root of 249144022 is about 629.2407263453.

Adding to 249144022 its reverse (220441942), we get a palindrome (469585964).

The spelling of 249144022 in words is "two hundred forty-nine million, one hundred forty-four thousand, twenty-two".