814221426 has 32 divisors (see below), whose sum is σ = 1764341568. Its totient is φ = 249500160.

The previous prime is 814221403. The next prime is 814221439. The reversal of 814221426 is 624122418.

It is a junction number, because it is equal to n+sod(n) for n = 814221393 and 814221402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88435 + ... + 97206.

It is an arithmetic number, because the mean of its divisors is an integer number (55135674).

Almost surely, 2^814221426 is an apocalyptic number.

814221426 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

814221426 is an abundant number, since it is smaller than the sum of its proper divisors (950120142).

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

814221426 is a wasteful number, since it uses less digits than its factorization.

814221426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185706.

The product of its digits is 6144, while the sum is 30.

The square root of 814221426 is about 28534.5654601573. The cubic root of 814221426 is about 933.7863235029.

The spelling of 814221426 in words is "eight hundred fourteen million, two hundred twenty-one thousand, four hundred twenty-six".