22212202137402 has 64 divisors (see below), whose sum is σ = 46372438569600. Its totient is φ = 7084173008640.

The previous prime is 22212202137401. The next prime is 22212202137421. The reversal of 22212202137402 is 20473120221222.

It is a self number, because there is not a number n which added to its sum of digits gives 22212202137402.

It is not an unprimeable number, because it can be changed into a prime (22212202137401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15473728 + ... + 16848164.

It is an arithmetic number, because the mean of its divisors is an integer number (724569352650).

Almost surely, 2^{22212202137402} is an apocalyptic number.

22212202137402 is an abundant number, since it is smaller than the sum of its proper divisors (24160236432198).

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

22212202137402 is a wasteful number, since it uses less digits than its factorization.

22212202137402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375311.

The product of its (nonzero) digits is 10752, while the sum is 30.

Adding to 22212202137402 its reverse (20473120221222), we get a palindrome (42685322358624).

The spelling of 22212202137402 in words is "twenty-two trillion, two hundred twelve billion, two hundred two million, one hundred thirty-seven thousand, four hundred two".