7222622615 has 16 divisors (see below), whose sum is σ = 9426273696. Its totient is φ = 5280816000.

The previous prime is 7222622611. The next prime is 7222622621. The reversal of 7222622615 is 5162262227.

It is a happy number.

It is not a de Polignac number, because 7222622615 - 2² = 7222622611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7222622611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543521 + ... + 556650.

It is an arithmetic number, because the mean of its divisors is an integer number (589142106).

Almost surely, 2^7222622615 is an apocalyptic number.

7222622615 is a deficient number, since it is larger than the sum of its proper divisors (2203651081).

7222622615 is a wasteful number, since it uses less digits than its factorization.

7222622615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100290.

The product of its digits is 40320, while the sum is 35.

The square root of 7222622615 is about 84986.0142317546. The cubic root of 7222622615 is about 1932.9990524076. Note that the first 3 decimals are identical.

The spelling of 7222622615 in words is "seven billion, two hundred twenty-two million, six hundred twenty-two thousand, six hundred fifteen".