22400040142 has 8 divisors (see below), whose sum is σ = 33633363600. Its totient is φ = 11188918944.

The previous prime is 22400040137. The next prime is 22400040197. The reversal of 22400040142 is 24104000422.

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

It is a super-2 number, since 2×22400040142² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5548042 + ... + 5552077.

It is an arithmetic number, because the mean of its divisors is an integer number (4204170450).

Almost surely, 2^22400040142 is an apocalyptic number.

22400040142 is a deficient number, since it is larger than the sum of its proper divisors (11233323458).

22400040142 is a wasteful number, since it uses less digits than its factorization.

22400040142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11101130.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22400040142 its reverse (24104000422), we get a palindrome (46504040564).

The spelling of 22400040142 in words is "twenty-two billion, four hundred million, forty thousand, one hundred forty-two".