7252220142 has 20 divisors (see below), whose sum is σ = 16250345496. Its totient is φ = 2417406660.

The previous prime is 7252220141. The next prime is 7252220167. The reversal of 7252220142 is 2410222527.

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 (7252220141) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 22383234 + ... + 22383557.

Almost surely, 2^7252220142 is an apocalyptic number.

7252220142 is an abundant number, since it is smaller than the sum of its proper divisors (8998125354).

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

7252220142 is a wasteful number, since it uses less digits than its factorization.

7252220142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44766805 (or 44766796 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 7252220142 is about 85159.9679544327. The cubic root of 7252220142 is about 1935.6358609744.

Adding to 7252220142 its reverse (2410222527), we get a palindrome (9662442669).

The spelling of 7252220142 in words is "seven billion, two hundred fifty-two million, two hundred twenty thousand, one hundred forty-two".