7457220099 has 64 divisors (see below), whose sum is σ = 13022208000. Its totient is φ = 4129604640.

The previous prime is 7457220061. The next prime is 7457220101. The reversal of 7457220099 is 9900227547.

7457220099 is a `hidden beast` number, since 74 + 572 + 2 + 0 + 0 + 9 + 9 = 666.

It is not a de Polignac number, because 7457220099 - 2⁷ = 7457219971 is a prime.

It is a super-3 number, since 3×7457220099³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (7457220599) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 787012 + ... + 796430.

It is an arithmetic number, because the mean of its divisors is an integer number (203472000).

Almost surely, 2^7457220099 is an apocalyptic number.

7457220099 is a deficient number, since it is larger than the sum of its proper divisors (5564987901).

7457220099 is a wasteful number, since it uses less digits than its factorization.

7457220099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9565 (or 9559 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 7457220099 is about 86355.1972900300. The cubic root of 7457220099 is about 1953.7049962924.

The spelling of 7457220099 in words is "seven billion, four hundred fifty-seven million, two hundred twenty thousand, ninety-nine".