22532370 has 64 divisors (see below), whose sum is σ = 63334656. Its totient is φ = 5022720.

The previous prime is 22532369. The next prime is 22532401. The reversal of 22532370 is 7323522.

22532370 = T₂₄₄ + T₂₄₅ + ... + T₅₃₀.

It is a self number, because there is not a number n which added to its sum of digits gives 22532370.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7302 + ... + 9918.

It is an arithmetic number, because the mean of its divisors is an integer number (989604).

Almost surely, 2^22532370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22532370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31667328).

22532370 is an abundant number, since it is smaller than the sum of its proper divisors (40802286).

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

22532370 is a wasteful number, since it uses less digits than its factorization.

22532370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 22532370 is about 4746.8273615121. The cubic root of 22532370 is about 282.4461275088.

Adding to 22532370 its reverse (7323522), we get a palindrome (29855892).

The spelling of 22532370 in words is "twenty-two million, five hundred thirty-two thousand, three hundred seventy".