72122222103 has 8 divisors (see below), whose sum is σ = 96166863600. Its totient is φ = 48079531008.

The previous prime is 72122222099. The next prime is 72122222119. The reversal of 72122222103 is 30122222127.

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

It is not a de Polignac number, because 72122222103 - 2² = 72122222099 is a prime.

It is a super-2 number, since 2×72122222103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72122222153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399018 + ... + 550871.

It is an arithmetic number, because the mean of its divisors is an integer number (12020857950).

Almost surely, 2^72122222103 is an apocalyptic number.

72122222103 is a deficient number, since it is larger than the sum of its proper divisors (24044641497).

72122222103 is a wasteful number, since it uses less digits than its factorization.

72122222103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975201.

The product of its (nonzero) digits is 1344, while the sum is 24.

Adding to 72122222103 its sum of digits (24), we get a palindrome (72122222127).

The spelling of 72122222103 in words is "seventy-two billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred three".