22031002 has 8 divisors (see below), whose sum is σ = 37767456. Its totient is φ = 9441852.

The previous prime is 22030993. The next prime is 22031003. The reversal of 22031002 is 20013022.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22031002.

It is not an unprimeable number, because it can be changed into a prime (22031003) 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, 786808 + ... + 786835.

It is an arithmetic number, because the mean of its divisors is an integer number (4720932).

Almost surely, 2^22031002 is an apocalyptic number.

22031002 is a deficient number, since it is larger than the sum of its proper divisors (15736454).

22031002 is a wasteful number, since it uses less digits than its factorization.

22031002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573652.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 22031002 is about 4693.7194206727. The cubic root of 22031002 is about 280.3354907179.

Adding to 22031002 its reverse (20013022), we get a palindrome (42044024).

The spelling of 22031002 in words is "twenty-two million, thirty-one thousand, two".