1225662055 has 4 divisors (see below), whose sum is σ = 1470794472. Its totient is φ = 980529640.

The previous prime is 1225662049. The next prime is 1225662059. The reversal of 1225662055 is 5502665221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5502665221 = 19 ⋅289613959.

It is not a de Polignac number, because 1225662055 - 2²⁷ = 1091444327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1225662055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225662059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122566201 + ... + 122566210.

It is an arithmetic number, because the mean of its divisors is an integer number (367698618).

Almost surely, 2^1225662055 is an apocalyptic number.

1225662055 is a deficient number, since it is larger than the sum of its proper divisors (245132417).

1225662055 is an equidigital number, since it uses as much as digits as its factorization.

1225662055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245132416.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 1225662055 is about 35009.4566510250. The cubic root of 1225662055 is about 1070.1802051862.

The spelling of 1225662055 in words is "one billion, two hundred twenty-five million, six hundred sixty-two thousand, fifty-five".