1226432252 has 12 divisors (see below), whose sum is σ = 2147890416. Its totient is φ = 612749280.

The previous prime is 1226432239. The next prime is 1226432281. The reversal of 1226432252 is 2522346221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110768 + ... + 121335.

It is an arithmetic number, because the mean of its divisors is an integer number (178990868).

Almost surely, 2^1226432252 is an apocalyptic number.

It is an amenable number.

1226432252 is a deficient number, since it is larger than the sum of its proper divisors (921458164).

1226432252 is a wasteful number, since it uses less digits than its factorization.

1226432252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233428 (or 233426 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 1226432252 is about 35020.4547657508. The cubic root of 1226432252 is about 1070.4043226987.

Adding to 1226432252 its reverse (2522346221), we get a palindrome (3748778473).

The spelling of 1226432252 in words is "one billion, two hundred twenty-six million, four hundred thirty-two thousand, two hundred fifty-two".