22211002 has 12 divisors (see below), whose sum is σ = 36621018. Its totient is φ = 10095800.

The previous prime is 22210999. The next prime is 22211003. The reversal of 22211002 is 20011222.

It can be written as a sum of positive squares in only one way, i.e., 20439441 + 1771561 = 4521^2 + 1331^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22211002.

It is not an unprimeable number, because it can be changed into a prime (22211003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45649 + ... + 46132.

Almost surely, 2^22211002 is an apocalyptic number.

22211002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22211002 is a deficient number, since it is larger than the sum of its proper divisors (14410016).

22211002 is a wasteful number, since it uses less digits than its factorization.

22211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91805 (or 91794 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 22211002 is about 4712.8549733681. The cubic root of 22211002 is about 281.0968962916.

Adding to 22211002 its reverse (20011222), we get a palindrome (42222224).

It can be divided in two parts, 2221 and 1002, that added together give a palindrome (3223).

The spelling of 22211002 in words is "twenty-two million, two hundred eleven thousand, two".