1222223390 has 8 divisors (see below), whose sum is σ = 2200002120. Its totient is φ = 488889352.

The previous prime is 1222223369. The next prime is 1222223437. The reversal of 1222223390 is 933222221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61111160 + ... + 61111179.

It is an arithmetic number, because the mean of its divisors is an integer number (275000265).

Almost surely, 2^1222223390 is an apocalyptic number.

1222223390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222223390 is a deficient number, since it is larger than the sum of its proper divisors (977778730).

1222223390 is a wasteful number, since it uses less digits than its factorization.

1222223390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122222346.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1222223390 is about 34960.3116404874. The cubic root of 1222223390 is about 1069.1784505155.

The spelling of 1222223390 in words is "one billion, two hundred twenty-two million, two hundred twenty-three thousand, three hundred ninety".