249422030 has 48 divisors (see below), whose sum is σ = 530386704. Its totient is φ = 83715840.

The previous prime is 249422003. The next prime is 249422053. The reversal of 249422030 is 30224942.

It is a super-2 number, since 2×249422030² = 124422698098641800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 11882 + ... + 25298.

It is an arithmetic number, because the mean of its divisors is an integer number (11049723).

Almost surely, 2^249422030 is an apocalyptic number.

249422030 is an abundant number, since it is smaller than the sum of its proper divisors (280964674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249422030 is a wasteful number, since it uses less digits than its factorization.

249422030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13461 (or 13448 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 249422030 is about 15793.1007088539. The cubic root of 249422030 is about 629.4746859749.

Adding to 249422030 its reverse (30224942), we get a palindrome (279646972).

The spelling of 249422030 in words is "two hundred forty-nine million, four hundred twenty-two thousand, thirty".