1222223466890 has 32 divisors (see below), whose sum is σ = 2241678499200. Its totient is φ = 479629369024.

The previous prime is 1222223466889. The next prime is 1222223466911. The reversal of 1222223466890 is 986643222221.

It is a happy number.

It is a super-2 number, since 2×1222223466890² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7712027 + ... + 7868913.

It is an arithmetic number, because the mean of its divisors is an integer number (70052453100).

Almost surely, 2^{1222223466890} is an apocalyptic number.

1222223466890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222223466890 is a deficient number, since it is larger than the sum of its proper divisors (1019455032310).

1222223466890 is a wasteful number, since it uses less digits than its factorization.

1222223466890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171646.

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 1222223466890 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-three million, four hundred sixty-six thousand, eight hundred ninety".