1226045186 has 16 divisors (see below), whose sum is σ = 1936548000. Its totient is φ = 580552128.

The previous prime is 1226045179. The next prime is 1226045203. The reversal of 1226045186 is 6815406221.

It is a super-2 number, since 2×1226045186² = 3006373596227549192, which contains 22 as substring.

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, 186890 + ... + 193338.

It is an arithmetic number, because the mean of its divisors is an integer number (121034250).

Almost surely, 2^1226045186 is an apocalyptic number.

1226045186 is a deficient number, since it is larger than the sum of its proper divisors (710502814).

1226045186 is a wasteful number, since it uses less digits than its factorization.

1226045186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11473.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 1226045186 is about 35014.9280450496. The cubic root of 1226045186 is about 1070.2917031572.

The spelling of 1226045186 in words is "one billion, two hundred twenty-six million, forty-five thousand, one hundred eighty-six".