1225466669 has 16 divisors (see below), whose sum is σ = 1417089408. Its totient is φ = 1038016512.

The previous prime is 1225466663. The next prime is 1225466687. The reversal of 1225466669 is 9666645221.

It is a cyclic number.

It is not a de Polignac number, because 1225466669 - 2⁴ = 1225466653 is a prime.

It is a super-2 number, since 2×1225466669² = 3003537113659911122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225466663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 825602 + ... + 827084.

It is an arithmetic number, because the mean of its divisors is an integer number (88568088).

Almost surely, 2^1225466669 is an apocalyptic number.

It is an amenable number.

1225466669 is a deficient number, since it is larger than the sum of its proper divisors (191622739).

1225466669 is a wasteful number, since it uses less digits than its factorization.

1225466669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804.

The product of its digits is 933120, while the sum is 47.

The square root of 1225466669 is about 35006.6660651939. Note that the first 3 decimals coincide. The cubic root of 1225466669 is about 1070.1233354205.

The spelling of 1225466669 in words is "one billion, two hundred twenty-five million, four hundred sixty-six thousand, six hundred sixty-nine".