244220442 has 16 divisors (see below), whose sum is σ = 494624640. Its totient is φ = 80376192.

The previous prime is 244220437. The next prime is 244220479. The reversal of 244220442 is 244022442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257143 + ... + 258090.

It is an arithmetic number, because the mean of its divisors is an integer number (30914040).

Almost surely, 2^244220442 is an apocalyptic number.

244220442 is an abundant number, since it is smaller than the sum of its proper divisors (250404198).

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

244220442 is a wasteful number, since it uses less digits than its factorization.

244220442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515317.

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 244220442 is about 15627.5539352773. The cubic root of 244220442 is about 625.0681030855.

Adding to 244220442 its reverse (244022442), we get a palindrome (488242884).

The spelling of 244220442 in words is "two hundred forty-four million, two hundred twenty thousand, four hundred forty-two".