1222222833890 has 16 divisors (see below), whose sum is σ = 2200014440640. Its totient is φ = 488886169200.

The previous prime is 1222222833863. The next prime is 1222222833901. The reversal of 1222222833890 is 983382222221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2230715 + ... + 2724065.

It is an arithmetic number, because the mean of its divisors is an integer number (137500902540).

Almost surely, 2^{1222222833890} is an apocalyptic number.

1222222833890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222222833890 is a deficient number, since it is larger than the sum of its proper divisors (977791606750).

1222222833890 is a wasteful number, since it uses less digits than its factorization.

1222222833890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741097.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 1222222833890 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, eight hundred thirty-three thousand, eight hundred ninety".