22703730 has 64 divisors (see below), whose sum is σ = 63168768. Its totient is φ = 5114880.

The previous prime is 22703729. The next prime is 22703743. The reversal of 22703730 is 3730722.

It is a self number, because there is not a number n which added to its sum of digits gives 22703730.

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, 14590 + ... + 16070.

It is an arithmetic number, because the mean of its divisors is an integer number (987012).

Almost surely, 2^22703730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22703730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31584384).

22703730 is an abundant number, since it is smaller than the sum of its proper divisors (40465038).

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

22703730 is a wasteful number, since it uses less digits than its factorization.

22703730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571.

The product of its (nonzero) digits is 1764, while the sum is 24.

The square root of 22703730 is about 4764.8431243851. The cubic root of 22703730 is about 283.1603265229.

The spelling of 22703730 in words is "twenty-two million, seven hundred three thousand, seven hundred thirty".