1224556790 has 8 divisors (see below), whose sum is σ = 2204202240. Its totient is φ = 489822712.

The previous prime is 1224556787. The next prime is 1224556793. The reversal of 1224556790 is 976554221.

It is an interprime number because it is at equal distance from previous prime (1224556787) and next prime (1224556793).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224556793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61227830 + ... + 61227849.

It is an arithmetic number, because the mean of its divisors is an integer number (275525280).

Almost surely, 2^1224556790 is an apocalyptic number.

1224556790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1224556790 is a deficient number, since it is larger than the sum of its proper divisors (979645450).

1224556790 is a wasteful number, since it uses less digits than its factorization.

1224556790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122455686.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 1224556790 is about 34993.6678557707. The cubic root of 1224556790 is about 1069.8584230534.

The spelling of 1224556790 in words is "one billion, two hundred twenty-four million, five hundred fifty-six thousand, seven hundred ninety".