19822964 has 24 divisors (see below), whose sum is σ = 41371008. Its totient is φ = 8125920.

The previous prime is 19822963. The next prime is 19822991. The reversal of 19822964 is 46922891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19822963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14747 + ... + 16034.

It is an arithmetic number, because the mean of its divisors is an integer number (1723792).

Almost surely, 2^19822964 is an apocalyptic number.

19822964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19822964 is an abundant number, since it is smaller than the sum of its proper divisors (21548044).

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

19822964 is a wasteful number, since it uses less digits than its factorization.

19822964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30815 (or 30813 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 19822964 is about 4452.2987321158. The cubic root of 19822964 is about 270.6384707242.

The spelling of 19822964 in words is "nineteen million, eight hundred twenty-two thousand, nine hundred sixty-four".