21860597422 has 8 divisors (see below), whose sum is σ = 33848667072. Its totient is φ = 10577708400.

The previous prime is 21860597419. The next prime is 21860597461. The reversal of 21860597422 is 22479506812.

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, 176295079 + ... + 176295202.

It is an arithmetic number, because the mean of its divisors is an integer number (4231083384).

Almost surely, 2^21860597422 is an apocalyptic number.

21860597422 is a deficient number, since it is larger than the sum of its proper divisors (11988069650).

21860597422 is a wasteful number, since it uses less digits than its factorization.

21860597422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352590314.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 21860597422 in words is "twenty-one billion, eight hundred sixty million, five hundred ninety-seven thousand, four hundred twenty-two".