7221045754 has 32 divisors (see below), whose sum is σ = 11938429440. Its totient is φ = 3255325632.

The previous prime is 7221045751. The next prime is 7221045757. The reversal of 7221045754 is 4575401227.

It is an interprime number because it is at equal distance from previous prime (7221045751) and next prime (7221045757).

It is a super-2 number, since 2×7221045754² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7221045751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225847 + ... + 255829.

It is an arithmetic number, because the mean of its divisors is an integer number (373075920).

Almost surely, 2^7221045754 is an apocalyptic number.

7221045754 is a deficient number, since it is larger than the sum of its proper divisors (4717383686).

7221045754 is a wasteful number, since it uses less digits than its factorization.

7221045754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30214.

The product of its (nonzero) digits is 78400, while the sum is 37.

The square root of 7221045754 is about 84976.7365459512. The cubic root of 7221045754 is about 1932.8583697762.

The spelling of 7221045754 in words is "seven billion, two hundred twenty-one million, forty-five thousand, seven hundred fifty-four".