22221022001002 has 16 divisors (see below), whose sum is σ = 36366073204032. Its totient is φ = 10099242090720.

The previous prime is 22221022000967. The next prime is 22221022001051. The reversal of 22221022001002 is 20010022012222.

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, 60936843 + ... + 61300414.

It is an arithmetic number, because the mean of its divisors is an integer number (2272879575252).

Almost surely, 2^{22221022001002} is an apocalyptic number.

22221022001002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22221022001002 is a deficient number, since it is larger than the sum of its proper divisors (14145051203030).

22221022001002 is a wasteful number, since it uses less digits than its factorization.

22221022001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122245533.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22221022001002 its reverse (20010022012222), we get a palindrome (42231044013224).

The spelling of 22221022001002 in words is "twenty-two trillion, two hundred twenty-one billion, twenty-two million, one thousand, two".