1224275769 has 16 divisors (see below), whose sum is σ = 1815637440. Its totient is φ = 815330880.

The previous prime is 1224275761. The next prime is 1224275771. The reversal of 1224275769 is 9675724221.

It is not a de Polignac number, because 1224275769 - 2³ = 1224275761 is a prime.

It is a super-2 number, since 2×1224275769² = 2997702317121082722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1224275761) 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, 3174 + ... + 49584.

It is an arithmetic number, because the mean of its divisors is an integer number (113477340).

Almost surely, 2^1224275769 is an apocalyptic number.

It is an amenable number.

1224275769 is a deficient number, since it is larger than the sum of its proper divisors (591361671).

1224275769 is an equidigital number, since it uses as much as digits as its factorization.

1224275769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47397 (or 47391 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 1224275769 is about 34989.6523132197. The cubic root of 1224275769 is about 1069.7765769281.

The spelling of 1224275769 in words is "one billion, two hundred twenty-four million, two hundred seventy-five thousand, seven hundred sixty-nine".