1226477808 has 40 divisors (see below), whose sum is σ = 3520446800. Its totient is φ = 408825792.

The previous prime is 1226477779. The next prime is 1226477827. The reversal of 1226477808 is 8087746221.

It is a congruent number.

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, 1419103 + ... + 1419966.

It is an arithmetic number, because the mean of its divisors is an integer number (88011170).

Almost surely, 2^1226477808 is an apocalyptic number.

1226477808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1226477808 is an abundant number, since it is smaller than the sum of its proper divisors (2293968992).

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

1226477808 is a wasteful number, since it uses less digits than its factorization.

1226477808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839086 (or 2839074 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 1226477808 is about 35021.1051795913. The cubic root of 1226477808 is about 1070.4175759747.

The spelling of 1226477808 in words is "one billion, two hundred twenty-six million, four hundred seventy-seven thousand, eight hundred eight".