73422722 has 8 divisors (see below), whose sum is σ = 113931900. Its totient is φ = 35445424.

The previous prime is 73422721. The next prime is 73422731. The reversal of 73422722 is 22722437.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 71048041 + 2374681 = 8429^2 + 1541^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×73422722² = 10781792211778568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (73422721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632897 + ... + 633012.

Almost surely, 2^73422722 is an apocalyptic number.

73422722 is a deficient number, since it is larger than the sum of its proper divisors (40509178).

73422722 is a wasteful number, since it uses less digits than its factorization.

73422722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265940.

The product of its digits is 9408, while the sum is 29.

The square root of 73422722 is about 8568.7059699817. The cubic root of 73422722 is about 418.7390791835.

The spelling of 73422722 in words is "seventy-three million, four hundred twenty-two thousand, seven hundred twenty-two".