1225662255 has 12 divisors (see below), whose sum is σ = 2124481320. Its totient is φ = 653686512.

The previous prime is 1225662247. The next prime is 1225662257. The reversal of 1225662255 is 5522665221.

1225662255 is a `hidden beast` number, since 1 + 2 + 25 + 6 + 622 + 5 + 5 = 666.

It is not a de Polignac number, because 1225662255 - 2³ = 1225662247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225662257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13618425 + ... + 13618514.

It is an arithmetic number, because the mean of its divisors is an integer number (177040110).

Almost surely, 2^1225662255 is an apocalyptic number.

1225662255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1225662255 is a deficient number, since it is larger than the sum of its proper divisors (898819065).

1225662255 is a wasteful number, since it uses less digits than its factorization.

1225662255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27236950 (or 27236947 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 1225662255 is about 35009.4595073960. The cubic root of 1225662255 is about 1070.1802633958.

The spelling of 1225662255 in words is "one billion, two hundred twenty-five million, six hundred sixty-two thousand, two hundred fifty-five".