22700034 has 96 divisors (see below), whose sum is σ = 61395840. Its totient is φ = 6187104.

The previous prime is 22700033. The next prime is 22700071. The reversal of 22700034 is 43000722.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22700033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60672 + ... + 61044.

It is an arithmetic number, because the mean of its divisors is an integer number (639540).

Almost surely, 2^22700034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22700034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30697920).

22700034 is an abundant number, since it is smaller than the sum of its proper divisors (38695806).

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

22700034 is a wasteful number, since it uses less digits than its factorization.

22700034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 22700034 is about 4764.4552679189. The cubic root of 22700034 is about 283.1449602173.

Adding to 22700034 its reverse (43000722), we get a palindrome (65700756).

The spelling of 22700034 in words is "twenty-two million, seven hundred thousand, thirty-four".