2252121042 has 16 divisors (see below), whose sum is σ = 4505402592. Its totient is φ = 750513600.

The previous prime is 2252121041. The next prime is 2252121073. The reversal of 2252121042 is 2401212522.

It is not an unprimeable number, because it can be changed into a prime (2252121041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22023 + ... + 70634.

It is an arithmetic number, because the mean of its divisors is an integer number (281587662).

Almost surely, 2^2252121042 is an apocalyptic number.

2252121042 is an abundant number, since it is smaller than the sum of its proper divisors (2253281550).

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

2252121042 is a wasteful number, since it uses less digits than its factorization.

2252121042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96713.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2252121042 is about 47456.5173817043. The cubic root of 2252121042 is about 1310.7823235326.

Adding to 2252121042 its reverse (2401212522), we get a palindrome (4653333564).

The spelling of 2252121042 in words is "two billion, two hundred fifty-two million, one hundred twenty-one thousand, forty-two".