22670219808 has 72 divisors (see below), whose sum is σ = 64588046796. Its totient is φ = 7542720000.

The previous prime is 22670219807. The next prime is 22670219821. The reversal of 22670219808 is 80891207622.

It can be written as a sum of positive squares in 2 ways, for example, as 22209344784 + 460875024 = 149028^2 + 21468^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×22670219808² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22670219801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83058 + ... + 228558.

Almost surely, 2^22670219808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22670219808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32294023398).

22670219808 is an abundant number, since it is smaller than the sum of its proper divisors (41917826988).

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

22670219808 is a wasteful number, since it uses less digits than its factorization.

22670219808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146058 (or 146047 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 22670219808 in words is "twenty-two billion, six hundred seventy million, two hundred nineteen thousand, eight hundred eight".