74422022415 has 128 divisors (see below), whose sum is σ = 138862080000. Its totient is φ = 33730228224.

The previous prime is 74422022341. The next prime is 74422022419. The reversal of 74422022415 is 51422022447.

It is a happy number.

It is a Cunningham number, because it is equal to 272804²-1.

It is not a de Polignac number, because 74422022415 - 2⁸ = 74422022159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74422022419) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 53195886 + ... + 53197284.

It is an arithmetic number, because the mean of its divisors is an integer number (1084860000).

Almost surely, 2^74422022415 is an apocalyptic number.

74422022415 is a deficient number, since it is larger than the sum of its proper divisors (64440057585).

74422022415 is a wasteful number, since it uses less digits than its factorization.

74422022415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881.

The product of its (nonzero) digits is 35840, while the sum is 33.

The spelling of 74422022415 in words is "seventy-four billion, four hundred twenty-two million, twenty-two thousand, four hundred fifteen".