1226562426 has 24 divisors (see below), whose sum is σ = 2755980864. Its totient is φ = 408853980.

The previous prime is 1226562397. The next prime is 1226562433. The reversal of 1226562426 is 6242656221.

1226562426 is a `hidden beast` number, since 1 + 2 + 2 + 6 + 5 + 624 + 26 = 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, 1261410 + ... + 1262381.

It is an arithmetic number, because the mean of its divisors is an integer number (114832536).

Almost surely, 2^1226562426 is an apocalyptic number.

1226562426 is an abundant number, since it is smaller than the sum of its proper divisors (1529418438).

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

1226562426 is an equidigital number, since it uses as much as digits as its factorization.

1226562426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523808 (or 2523796 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 1226562426 is about 35022.3132588354. The cubic root of 1226562426 is about 1070.4421924037.

It can be divided in two parts, 12265 and 62426, that added together give a triangular number (74691 = T₃₈₆).

The spelling of 1226562426 in words is "one billion, two hundred twenty-six million, five hundred sixty-two thousand, four hundred twenty-six".