2212122210984 has 96 divisors (see below), whose sum is σ = 6854011931520. Its totient is φ = 631391810688.

The previous prime is 2212122210979. The next prime is 2212122211027. The reversal of 2212122210984 is 4890122212122.

It is a happy number.

2212122210984 is a `hidden beast` number, since 221 + 212 + 2 + 210 + 9 + 8 + 4 = 666.

It is a super-2 number, since 2×2212122210984² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1737087 + ... + 2727950.

It is an arithmetic number, because the mean of its divisors is an integer number (71395957620).

Almost surely, 2^{2212122210984} is an apocalyptic number.

2212122210984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2212122210984 is an abundant number, since it is smaller than the sum of its proper divisors (4641889720536).

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

2212122210984 is a wasteful number, since it uses less digits than its factorization.

2212122210984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4466039 (or 4466032 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 2212122210984 in words is "two trillion, two hundred twelve billion, one hundred twenty-two million, two hundred ten thousand, nine hundred eighty-four".