2225252142 has 32 divisors (see below), whose sum is σ = 5028825600. Its totient is φ = 729177624.

The previous prime is 2225252131. The next prime is 2225252147. The reversal of 2225252142 is 2412525222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent 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 in 15 ways as a sum of consecutive naturals, for example, 346038 + ... + 352409.

It is an arithmetic number, because the mean of its divisors is an integer number (157150800).

Almost surely, 2^2225252142 is an apocalyptic number.

2225252142 is an abundant number, since it is smaller than the sum of its proper divisors (2803573458).

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

2225252142 is a wasteful number, since it uses less digits than its factorization.

2225252142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698517 (or 698511 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 2225252142 is about 47172.5782844228. The cubic root of 2225252142 is about 1305.5486977875.

Adding to 2225252142 its reverse (2412525222), we get a palindrome (4637777364).

The spelling of 2225252142 in words is "two billion, two hundred twenty-five million, two hundred fifty-two thousand, one hundred forty-two".