1225677266 has 16 divisors (see below), whose sum is σ = 2006199360. Its totient is φ = 556974480.

The previous prime is 1225677259. The next prime is 1225677301. The reversal of 1225677266 is 6627765221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133475 + ... + 142361.

It is an arithmetic number, because the mean of its divisors is an integer number (125387460).

Almost surely, 2^1225677266 is an apocalyptic number.

1225677266 is a deficient number, since it is larger than the sum of its proper divisors (780522094).

1225677266 is a wasteful number, since it uses less digits than its factorization.

1225677266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15169.

The product of its digits is 423360, while the sum is 44.

The square root of 1225677266 is about 35009.6738916546. The cubic root of 1225677266 is about 1070.1846323020.

The spelling of 1225677266 in words is "one billion, two hundred twenty-five million, six hundred seventy-seven thousand, two hundred sixty-six".