1227225497 has 8 divisors (see below), whose sum is σ = 1235282376. Its totient is φ = 1219180032.

The previous prime is 1227225481. The next prime is 1227225553. The reversal of 1227225497 is 7945227221.

It can be written as a sum of positive squares in 4 ways, for example, as 989479936 + 237745561 = 31456^2 + 15419^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1227225497 - 2⁴ = 1227225481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1227225437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347183 + ... + 350699.

It is an arithmetic number, because the mean of its divisors is an integer number (154410297).

Almost surely, 2^1227225497 is an apocalyptic number.

It is an amenable number.

1227225497 is a deficient number, since it is larger than the sum of its proper divisors (8056879).

1227225497 is a wasteful number, since it uses less digits than its factorization.

1227225497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5707.

The product of its digits is 141120, while the sum is 41.

The square root of 1227225497 is about 35031.7783876297. The cubic root of 1227225497 is about 1070.6350488231.

The spelling of 1227225497 in words is "one billion, two hundred twenty-seven million, two hundred twenty-five thousand, four hundred ninety-seven".