22135850 has 48 divisors (see below), whose sum is σ = 45372096. Its totient is φ = 7968000.

The previous prime is 22135849. The next prime is 22135871. The reversal of 22135850 is 5853122.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91730 + ... + 91970.

It is an arithmetic number, because the mean of its divisors is an integer number (945252).

Almost surely, 2^22135850 is an apocalyptic number.

22135850 is an abundant number, since it is smaller than the sum of its proper divisors (23236246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22135850 is a wasteful number, since it uses less digits than its factorization.

22135850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 22135850 is about 4704.8751311804. The cubic root of 22135850 is about 280.7795030669.

Adding to 22135850 its reverse (5853122), we get a palindrome (27988972).

The spelling of 22135850 in words is "twenty-two million, one hundred thirty-five thousand, eight hundred fifty".