22001213233002 has 64 divisors (see below), whose sum is σ = 47189380792320. Its totient is φ = 6813696105216.

The previous prime is 22001213233001. The next prime is 22001213233003. The reversal of 22001213233002 is 20033231210022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22001213233001) and next prime (22001213233003).

It is a self number, because there is not a number n which added to its sum of digits gives 22001213233002.

It is not an unprimeable number, because it can be changed into a prime (22001213233001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43317123 + ... + 43822089.

It is an arithmetic number, because the mean of its divisors is an integer number (737334074880).

Almost surely, 2^{22001213233002} is an apocalyptic number.

22001213233002 is an abundant number, since it is smaller than the sum of its proper divisors (25188167559318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22001213233002 is a wasteful number, since it uses less digits than its factorization.

22001213233002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510475.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22001213233002 its reverse (20033231210022), we get a palindrome (42034444443024).

The spelling of 22001213233002 in words is "twenty-two trillion, one billion, two hundred thirteen million, two hundred thirty-three thousand, two".