73222651 has 16 divisors (see below), whose sum is σ = 79257600. Its totient is φ = 67485600.

The previous prime is 73222649. The next prime is 73222657. The reversal of 73222651 is 15622237.

It is a cyclic number.

It is not a de Polignac number, because 73222651 - 2¹ = 73222649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73222657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70506 + ... + 71536.

It is an arithmetic number, because the mean of its divisors is an integer number (4953600).

Almost surely, 2^73222651 is an apocalyptic number.

73222651 is a deficient number, since it is larger than the sum of its proper divisors (6034949).

73222651 is a wasteful number, since it uses less digits than its factorization.

73222651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170.

The product of its digits is 5040, while the sum is 28.

The square root of 73222651 is about 8557.0234895085. The cubic root of 73222651 is about 418.3583897769.

Adding to 73222651 its reverse (15622237), we get a palindrome (88844888).

The spelling of 73222651 in words is "seventy-three million, two hundred twenty-two thousand, six hundred fifty-one".