1641562226 has 16 divisors (see below), whose sum is σ = 2558395800. Its totient is φ = 789011328.

The previous prime is 1641562217. The next prime is 1641562271. The reversal of 1641562226 is 6222651461.

It can be written as a sum of positive squares in 4 ways, for example, as 1591930201 + 49632025 = 39899^2 + 7045^2 .

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, 48515 + ... + 75078.

Almost surely, 2^1641562226 is an apocalyptic number.

1641562226 is a deficient number, since it is larger than the sum of its proper divisors (916833574).

1641562226 is a wasteful number, since it uses less digits than its factorization.

1641562226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123853.

The product of its digits is 34560, while the sum is 35.

The square root of 1641562226 is about 40516.1970821547. The cubic root of 1641562226 is about 1179.6480387628.

The spelling of 1641562226 in words is "one billion, six hundred forty-one million, five hundred sixty-two thousand, two hundred twenty-six".