244220461 has 8 divisors (see below), whose sum is σ = 251045784. Its totient is φ = 237407040.

The previous prime is 244220437. The next prime is 244220479. The reversal of 244220461 is 164022442.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 175430025 + 68790436 = 13245^2 + 8294^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 244220461 - 2⁵ = 244220429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244220401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53031 + ... + 57451.

It is an arithmetic number, because the mean of its divisors is an integer number (31380723).

Almost surely, 2^244220461 is an apocalyptic number.

It is an amenable number.

244220461 is a deficient number, since it is larger than the sum of its proper divisors (6825323).

244220461 is a wasteful number, since it uses less digits than its factorization.

244220461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5951.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 244220461 is about 15627.5545431779. The cubic root of 244220461 is about 625.0681192953.

The spelling of 244220461 in words is "two hundred forty-four million, two hundred twenty thousand, four hundred sixty-one".