22101002 has 16 divisors (see below), whose sum is σ = 41332032. Its totient is φ = 8610720.

The previous prime is 22100959. The next prime is 22101029. The reversal of 22101002 is 20010122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71603 + ... + 71910.

It is an arithmetic number, because the mean of its divisors is an integer number (2583252).

Almost surely, 2^22101002 is an apocalyptic number.

22101002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22101002 is a deficient number, since it is larger than the sum of its proper divisors (19231030).

22101002 is a wasteful number, since it uses less digits than its factorization.

22101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143533.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 22101002 is about 4701.1702798346. The cubic root of 22101002 is about 280.6320839378.

Adding to 22101002 its reverse (20010122), we get a palindrome (42111124).

The spelling of 22101002 in words is "twenty-two million, one hundred one thousand, two".