22450420142 has 8 divisors (see below), whose sum is σ = 34458784536. Its totient is φ = 10964158632.

The previous prime is 22450420127. The next prime is 22450420163. The reversal of 22450420142 is 24102405422.

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

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, 130525613 + ... + 130525784.

It is an arithmetic number, because the mean of its divisors is an integer number (4307348067).

Almost surely, 2^22450420142 is an apocalyptic number.

22450420142 is a deficient number, since it is larger than the sum of its proper divisors (12008364394).

22450420142 is a wasteful number, since it uses less digits than its factorization.

22450420142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261051442.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 22450420142 its reverse (24102405422), we get a palindrome (46552825564).

The spelling of 22450420142 in words is "twenty-two billion, four hundred fifty million, four hundred twenty thousand, one hundred forty-two".