22419149816 has 32 divisors (see below), whose sum is σ = 49339446240. Its totient is φ = 9348524928.

The previous prime is 22419149803. The next prime is 22419149821. The reversal of 22419149816 is 61894191422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5407955 + ... + 5412098.

It is an arithmetic number, because the mean of its divisors is an integer number (1541857695).

Almost surely, 2^22419149816 is an apocalyptic number.

It is an amenable number.

22419149816 is an abundant number, since it is smaller than the sum of its proper divisors (26920296424).

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

22419149816 is a wasteful number, since it uses less digits than its factorization.

22419149816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10820103 (or 10820099 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The spelling of 22419149816 in words is "twenty-two billion, four hundred nineteen million, one hundred forty-nine thousand, eight hundred sixteen".