1226531424 has 48 divisors (see below), whose sum is σ = 3228370992. Its totient is φ = 407735808.

The previous prime is 1226531417. The next prime is 1226531447. The reversal of 1226531424 is 4241356221.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 1226531391 and 1226531400.

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, 18682 + ... + 52934.

It is an arithmetic number, because the mean of its divisors is an integer number (67257729).

Almost surely, 2^1226531424 is an apocalyptic number.

It is an amenable number.

1226531424 is an abundant number, since it is smaller than the sum of its proper divisors (2001839568).

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

1226531424 is a wasteful number, since it uses less digits than its factorization.

1226531424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34639 (or 34631 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 1226531424 is about 35021.8706524937. The cubic root of 1226531424 is about 1070.4331736676.

Adding to 1226531424 its reverse (4241356221), we get a palindrome (5467887645).

The spelling of 1226531424 in words is "one billion, two hundred twenty-six million, five hundred thirty-one thousand, four hundred twenty-four".