7221465507 has 4 divisors (see below), whose sum is σ = 9628620680. Its totient is φ = 4814310336.

The previous prime is 7221465481. The next prime is 7221465571. The reversal of 7221465507 is 7055641227.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7221465507 - 2⁷ = 7221465379 is a prime.

It is a super-3 number, since 3×7221465507³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7221465007) 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 3 ways as a sum of consecutive naturals, for example, 1203577582 + ... + 1203577587.

It is an arithmetic number, because the mean of its divisors is an integer number (2407155170).

Almost surely, 2^7221465507 is an apocalyptic number.

7221465507 is a deficient number, since it is larger than the sum of its proper divisors (2407155173).

7221465507 is a wasteful number, since it uses less digits than its factorization.

7221465507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407155172.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 7221465507 is about 84979.2063213113. The cubic root of 7221465507 is about 1932.8958208328.

The spelling of 7221465507 in words is "seven billion, two hundred twenty-one million, four hundred sixty-five thousand, five hundred seven".