1225440467 has 2 divisors, whose sum is σ = 1225440468. Its totient is φ = 1225440466.

The previous prime is 1225440371. The next prime is 1225440497. The reversal of 1225440467 is 7640445221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1225440467 - 2¹⁸ = 1225178323 is a prime.

It is a super-2 number, since 2×1225440467² = 3003408676322356178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1225440497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612720233 + 612720234.

It is an arithmetic number, because the mean of its divisors is an integer number (612720234).

Almost surely, 2^1225440467 is an apocalyptic number.

1225440467 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225440467 is an equidigital number, since it uses as much as digits as its factorization.

1225440467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 1225440467 is about 35006.2918201857. The cubic root of 1225440467 is about 1070.1157085106.

Adding to 1225440467 its reverse (7640445221), we get a palindrome (8865885688).

The spelling of 1225440467 in words is "one billion, two hundred twenty-five million, four hundred forty thousand, four hundred sixty-seven".