1224213339 has 16 divisors (see below), whose sum is σ = 1764634880. Its totient is φ = 752289120.

The previous prime is 1224213329. The next prime is 1224213409. The reversal of 1224213339 is 9333124221.

It is not a de Polignac number, because 1224213339 - 2⁵ = 1224213307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1224213329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288127 + ... + 292344.

It is an arithmetic number, because the mean of its divisors is an integer number (110289680).

Almost surely, 2^1224213339 is an apocalyptic number.

1224213339 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1224213339 is a deficient number, since it is larger than the sum of its proper divisors (540421541).

1224213339 is a wasteful number, since it uses less digits than its factorization.

1224213339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580530.

The product of its digits is 7776, while the sum is 30.

The square root of 1224213339 is about 34988.7601809495. The cubic root of 1224213339 is about 1069.7583927660.

The spelling of 1224213339 in words is "one billion, two hundred twenty-four million, two hundred thirteen thousand, three hundred thirty-nine".