22422002 has 8 divisors (see below), whose sum is σ = 33710256. Its totient is φ = 11185252.

The previous prime is 22421983. The next prime is 22422007. The reversal of 22422002 is 20022422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22422007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11768 + ... + 13539.

It is an arithmetic number, because the mean of its divisors is an integer number (4213782).

Almost surely, 2^22422002 is an apocalyptic number.

22422002 is a deficient number, since it is larger than the sum of its proper divisors (11288254).

22422002 is a wasteful number, since it uses less digits than its factorization.

22422002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25752.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 22422002 is about 4735.1876414774. The cubic root of 22422002 is about 281.9842135254.

Adding to 22422002 its reverse (20022422), we get a palindrome (42444424).

The spelling of 22422002 in words is "twenty-two million, four hundred twenty-two thousand, two".