1222338790 has 8 divisors (see below), whose sum is σ = 2200209840. Its totient is φ = 488935512.

The previous prime is 1222338787. The next prime is 1222338827. The reversal of 1222338790 is 978332221.

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

It is a super-2 number, since 2×1222338790² = 2988224235077328200, which contains 22 as substring.

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, 61116930 + ... + 61116949.

It is an arithmetic number, because the mean of its divisors is an integer number (275026230).

Almost surely, 2^1222338790 is an apocalyptic number.

1222338790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222338790 is a deficient number, since it is larger than the sum of its proper divisors (977871050).

1222338790 is a wasteful number, since it uses less digits than its factorization.

1222338790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122233886.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1222338790 is about 34961.9620444849. The cubic root of 1222338790 is about 1069.2120993862.

The spelling of 1222338790 in words is "one billion, two hundred twenty-two million, three hundred thirty-eight thousand, seven hundred ninety".