244020225 has 24 divisors (see below), whose sum is σ = 420990912. Its totient is φ = 124484800.

The previous prime is 244020221. The next prime is 244020229. The reversal of 244020225 is 522020442.

It is an interprime number because it is at equal distance from previous prime (244020221) and next prime (244020229).

It is not a de Polignac number, because 244020225 - 2² = 244020221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (244020221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69006 + ... + 72455.

It is an arithmetic number, because the mean of its divisors is an integer number (17541288).

Almost surely, 2^244020225 is an apocalyptic number.

244020225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

244020225 is a deficient number, since it is larger than the sum of its proper divisors (176970687).

244020225 is a wasteful number, since it uses less digits than its factorization.

244020225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141497 (or 141492 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 244020225 is about 15621.1467248727. The cubic root of 244020225 is about 624.8972417728.

Adding to 244020225 its reverse (522020442), we get a palindrome (766040667).

The spelling of 244020225 in words is "two hundred forty-four million, twenty thousand, two hundred twenty-five".