7485191122 has 4 divisors (see below), whose sum is σ = 11227786686. Its totient is φ = 3742595560.

The previous prime is 7485191081. The next prime is 7485191123. The reversal of 7485191122 is 2211915847.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2211915847 = 41 ⋅53949167.

It can be written as a sum of positive squares in only one way, i.e., 7456149801 + 29041321 = 86349^2 + 5389^2 .

It is a super-2 number, since 2×7485191122² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7485191123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1871297779 + ... + 1871297782.

Almost surely, 2^7485191122 is an apocalyptic number.

7485191122 is a deficient number, since it is larger than the sum of its proper divisors (3742595564).

7485191122 is a wasteful number, since it uses less digits than its factorization.

7485191122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742595563.

The product of its digits is 40320, while the sum is 40.

The square root of 7485191122 is about 86516.9990348718. Note that the first 3 decimals coincide. The cubic root of 7485191122 is about 1956.1446428821.

The spelling of 7485191122 in words is "seven billion, four hundred eighty-five million, one hundred ninety-one thousand, one hundred twenty-two".