22001223121302 has 16 divisors (see below), whose sum is σ = 44003453204592. Its totient is φ = 7333573213440.

The previous prime is 22001223121261. The next prime is 22001223121309. The reversal of 22001223121302 is 20312132210022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001223121309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41672563 + ... + 42197214.

It is an arithmetic number, because the mean of its divisors is an integer number (2750215825287).

Almost surely, 2^{22001223121302} is an apocalyptic number.

22001223121302 is an abundant number, since it is smaller than the sum of its proper divisors (22002230083290).

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

22001223121302 is a wasteful number, since it uses less digits than its factorization.

22001223121302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83913503.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22001223121302 its reverse (20312132210022), we get a palindrome (42313355331324).

The spelling of 22001223121302 in words is "twenty-two trillion, one billion, two hundred twenty-three million, one hundred twenty-one thousand, three hundred two".