22421435661506 has 8 divisors (see below), whose sum is σ = 38436746848320. Its totient is φ = 9609186712068.

The previous prime is 22421435661473. The next prime is 22421435661523. The reversal of 22421435661506 is 60516653412422.

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

It is a Curzon 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, 800765559326 + ... + 800765559353.

It is an arithmetic number, because the mean of its divisors is an integer number (4804593356040).

Almost surely, 2^{22421435661506} is an apocalyptic number.

22421435661506 is a deficient number, since it is larger than the sum of its proper divisors (16015311186814).

22421435661506 is a wasteful number, since it uses less digits than its factorization.

22421435661506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601531118688.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 22421435661506 in words is "twenty-two trillion, four hundred twenty-one billion, four hundred thirty-five million, six hundred sixty-one thousand, five hundred six".