2225252144 has 10 divisors (see below), whose sum is σ = 4311426060. Its totient is φ = 1112626064.

The previous prime is 2225252131. The next prime is 2225252147. The reversal of 2225252144 is 4412525222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2225252147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69539114 + ... + 69539145.

It is an arithmetic number, because the mean of its divisors is an integer number (431142606).

Almost surely, 2^2225252144 is an apocalyptic number.

It is an amenable number.

2225252144 is a deficient number, since it is larger than the sum of its proper divisors (2086173916).

2225252144 is a wasteful number, since it uses less digits than its factorization.

2225252144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139078267 (or 139078261 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 2225252144 is about 47172.5783056216. The cubic root of 2225252144 is about 1305.5486981786.

Adding to 2225252144 its reverse (4412525222), we get a palindrome (6637777366).

The spelling of 2225252144 in words is "two billion, two hundred twenty-five million, two hundred fifty-two thousand, one hundred forty-four".