22540212102210 has 64 divisors (see below), whose sum is σ = 59410443254400. Its totient is φ = 5427620718080.

The previous prime is 22540212102139. The next prime is 22540212102223. The reversal of 22540212102210 is 1220121204522.

It is a happy number.

It is a super-2 number, since 2×22540212102210² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229157787 + ... + 229256126.

It is an arithmetic number, because the mean of its divisors is an integer number (928288175850).

Almost surely, 2^{22540212102210} is an apocalyptic number.

22540212102210 is an abundant number, since it is smaller than the sum of its proper divisors (36870231152190).

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

22540212102210 is a wasteful number, since it uses less digits than its factorization.

22540212102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458414083.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 22540212102210 its reverse (1220121204522), we get a palindrome (23760333306732).

The spelling of 22540212102210 in words is "twenty-two trillion, five hundred forty billion, two hundred twelve million, one hundred two thousand, two hundred ten".