22219996 has 12 divisors (see below), whose sum is σ = 38918880. Its totient is φ = 11100320.

The previous prime is 22219993. The next prime is 22219999. The reversal of 22219996 is 69991222.

It is an interprime number because it is at equal distance from previous prime (22219993) and next prime (22219999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22219993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6000 + ... + 8968.

It is an arithmetic number, because the mean of its divisors is an integer number (3243240).

Almost surely, 2^22219996 is an apocalyptic number.

It is an amenable number.

22219996 is a deficient number, since it is larger than the sum of its proper divisors (16698884).

22219996 is a wasteful number, since it uses less digits than its factorization.

22219996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4844 (or 4842 counting only the distinct ones).

The product of its digits is 34992, while the sum is 40.

The square root of 22219996 is about 4713.8090754718. The cubic root of 22219996 is about 281.1348331110.

It can be divided in two parts, 2221 and 9996, that multiplied together give a triangular number (22201116 = T₆₆₆₃).

The spelling of 22219996 in words is "twenty-two million, two hundred nineteen thousand, nine hundred ninety-six".