73222077 has 32 divisors (see below), whose sum is σ = 106939008. Its totient is φ = 44384256.

The previous prime is 73222073. The next prime is 73222081. The reversal of 73222077 is 77022237.

It is an interprime number because it is at equal distance from previous prime (73222073) and next prime (73222081).

It is not a de Polignac number, because 73222077 - 2² = 73222073 is a prime.

It is a super-2 number, since 2×73222077² = 10722945120387858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73222073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379293 + ... + 379485.

It is an arithmetic number, because the mean of its divisors is an integer number (3341844).

Almost surely, 2^73222077 is an apocalyptic number.

It is an amenable number.

73222077 is a deficient number, since it is larger than the sum of its proper divisors (33716931).

73222077 is a wasteful number, since it uses less digits than its factorization.

73222077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429.

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 73222077 is about 8556.9899497428. The cubic root of 73222077 is about 418.3572965891.

The spelling of 73222077 in words is "seventy-three million, two hundred twenty-two thousand, seventy-seven".