22142042407 has 8 divisors (see below), whose sum is σ = 23364407600. Its totient is φ = 20925376704.

The previous prime is 22142042383. The next prime is 22142042437. The reversal of 22142042407 is 70424024122.

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

It is not a de Polignac number, because 22142042407 - 2¹⁵ = 22142009639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142042437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416888 + ... + 1432429.

It is an arithmetic number, because the mean of its divisors is an integer number (2920550950).

Almost surely, 2^22142042407 is an apocalyptic number.

22142042407 is a deficient number, since it is larger than the sum of its proper divisors (1222365193).

22142042407 is a wasteful number, since it uses less digits than its factorization.

22142042407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849745.

The product of its (nonzero) digits is 7168, while the sum is 28.

Adding to 22142042407 its reverse (70424024122), we get a palindrome (92566066529).

The spelling of 22142042407 in words is "twenty-two billion, one hundred forty-two million, forty-two thousand, four hundred seven".