22422330 has 48 divisors (see below), whose sum is σ = 66628224. Its totient is φ = 5124960.

The previous prime is 22422329. The next prime is 22422347. The reversal of 22422330 is 3322422.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17166 + ... + 18425.

It is an arithmetic number, because the mean of its divisors is an integer number (1388088).

Almost surely, 2^22422330 is an apocalyptic number.

22422330 is an abundant number, since it is smaller than the sum of its proper divisors (44205894).

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

22422330 is a wasteful number, since it uses less digits than its factorization.

22422330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35611 (or 35608 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 22422330 is about 4735.2222756699. Note that the first 4 decimals coincide. The cubic root of 22422330 is about 281.9855885196.

Adding to 22422330 its reverse (3322422), we get a palindrome (25744752).

The spelling of 22422330 in words is "twenty-two million, four hundred twenty-two thousand, three hundred thirty".