49222402421 has 4 divisors (see below), whose sum is σ = 51813055200. Its totient is φ = 46631749644.

The previous prime is 49222402393. The next prime is 49222402447. The reversal of 49222402421 is 12420422294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49222402421 is a prime.

It is a super-2 number, since 2×49222402421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49222402451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295326361 + ... + 1295326398.

It is an arithmetic number, because the mean of its divisors is an integer number (12953263800).

Almost surely, 2^49222402421 is an apocalyptic number.

It is an amenable number.

49222402421 is a deficient number, since it is larger than the sum of its proper divisors (2590652779).

49222402421 is a wasteful number, since it uses less digits than its factorization.

49222402421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590652778.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 49222402421 in words is "forty-nine billion, two hundred twenty-two million, four hundred two thousand, four hundred twenty-one".