1774221426 has 24 divisors (see below), whose sum is σ = 4011284160. Its totient is φ = 565693656.

The previous prime is 1774221367. The next prime is 1774221467. The reversal of 1774221426 is 6241224771.

1774221426 is a `hidden beast` number, since 1 + 7 + 7 + 4 + 221 + 426 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2142366 + ... + 2143193.

It is an arithmetic number, because the mean of its divisors is an integer number (167136840).

Almost surely, 2^1774221426 is an apocalyptic number.

1774221426 is an abundant number, since it is smaller than the sum of its proper divisors (2237062734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1774221426 is a wasteful number, since it uses less digits than its factorization.

1774221426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285590 (or 4285587 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 1774221426 is about 42121.5078789922. The cubic root of 1774221426 is about 1210.6053993017.

The spelling of 1774221426 in words is "one billion, seven hundred seventy-four million, two hundred twenty-one thousand, four hundred twenty-six".