7124221002 has 16 divisors (see below), whose sum is σ = 14333764032. Its totient is φ = 2360520000.

The previous prime is 7124221001. The next prime is 7124221007. The reversal of 7124221002 is 2001224217.

It is a self number, because there is not a number n which added to its sum of digits gives 7124221002.

It is not an unprimeable number, because it can be changed into a prime (7124221001) 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, 3553999 + ... + 3556002.

It is an arithmetic number, because the mean of its divisors is an integer number (895860252).

Almost surely, 2^7124221002 is an apocalyptic number.

7124221002 is an abundant number, since it is smaller than the sum of its proper divisors (7209543030).

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

7124221002 is a wasteful number, since it uses less digits than its factorization.

7124221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7110173.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 7124221002 is about 84405.1005686268. The cubic root of 7124221002 is about 1924.1804350197.

Adding to 7124221002 its reverse (2001224217), we get a palindrome (9125445219).

The spelling of 7124221002 in words is "seven billion, one hundred twenty-four million, two hundred twenty-one thousand, two".