73226223021 has 64 divisors (see below), whose sum is σ = 117448298496. Its totient is φ = 39677299200.

The previous prime is 73226222983. The next prime is 73226223029. The reversal of 73226223021 is 12032262237.

It is not a de Polignac number, because 73226223021 - 2⁷ = 73226222893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73226223021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73226223029) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28636275 + ... + 28638831.

It is an arithmetic number, because the mean of its divisors is an integer number (1835129664).

Almost surely, 2^73226223021 is an apocalyptic number.

It is an amenable number.

73226223021 is a deficient number, since it is larger than the sum of its proper divisors (44222075475).

73226223021 is a wasteful number, since it uses less digits than its factorization.

73226223021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082.

The product of its (nonzero) digits is 12096, while the sum is 30.

Adding to 73226223021 its reverse (12032262237), we get a palindrome (85258485258).

The spelling of 73226223021 in words is "seventy-three billion, two hundred twenty-six million, two hundred twenty-three thousand, twenty-one".