1021226332 has 24 divisors (see below), whose sum is σ = 2056168800. Its totient is φ = 434729280.

The previous prime is 1021226309. The next prime is 1021226347. The reversal of 1021226332 is 2336221201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118219 + ... + 126562.

It is an arithmetic number, because the mean of its divisors is an integer number (85673700).

Almost surely, 2^1021226332 is an apocalyptic number.

It is an amenable number.

1021226332 is an abundant number, since it is smaller than the sum of its proper divisors (1034942468).

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

1021226332 is a wasteful number, since it uses less digits than its factorization.

1021226332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244941 (or 244939 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1021226332 is about 31956.6320503272. The cubic root of 1021226332 is about 1007.0259642165.

Adding to 1021226332 its reverse (2336221201), we get a palindrome (3357447533).

The spelling of 1021226332 in words is "one billion, twenty-one million, two hundred twenty-six thousand, three hundred thirty-two".