1226421504 has 432 divisors, whose sum is σ = 4571234304. Its totient is φ = 306892800.

The previous prime is 1226421467. The next prime is 1226421523. The reversal of 1226421504 is 4051246221.

1226421504 is a `hidden beast` number, since 1 + 2 + 2 + 642 + 15 + 0 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5499537 + ... + 5499759.

Almost surely, 2^1226421504 is an apocalyptic number.

1226421504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226421504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2285617152).

1226421504 is an abundant number, since it is smaller than the sum of its proper divisors (3344812800).

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

1226421504 is a wasteful number, since it uses less digits than its factorization.

1226421504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1226421504 is about 35020.3013122389. The cubic root of 1226421504 is about 1070.4011958133.

Adding to 1226421504 its reverse (4051246221), we get a palindrome (5277667725).

The spelling of 1226421504 in words is "one billion, two hundred twenty-six million, four hundred twenty-one thousand, five hundred four".