22700064 has 48 divisors (see below), whose sum is σ = 59965920. Its totient is φ = 7518720.

The previous prime is 22700033. The next prime is 22700071. The reversal of 22700064 is 46000722.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 22700064.

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, 16524 + ... + 17844.

It is an arithmetic number, because the mean of its divisors is an integer number (1249290).

Almost surely, 2^22700064 is an apocalyptic number.

22700064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22700064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29982960).

22700064 is an abundant number, since it is smaller than the sum of its proper divisors (37265856).

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

22700064 is a wasteful number, since it uses less digits than its factorization.

22700064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513 (or 1505 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 22700064 is about 4764.4584162316. The cubic root of 22700064 is about 283.1450849505.

Adding to 22700064 its reverse (46000722), we get a palindrome (68700786).

The spelling of 22700064 in words is "twenty-two million, seven hundred thousand, sixty-four".