1021222032 has 80 divisors (see below), whose sum is σ = 2824224000. Its totient is φ = 317008512.

The previous prime is 1021222021. The next prime is 1021222067. The reversal of 1021222032 is 2302221201.

It is a happy number.

It is a super-3 number, since 3×1021222032³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44319 + ... + 63297.

It is an arithmetic number, because the mean of its divisors is an integer number (35302800).

Almost surely, 2^1021222032 is an apocalyptic number.

1021222032 is a gapful number since it is divisible by the number (12) 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 1021222032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1412112000).

1021222032 is an abundant number, since it is smaller than the sum of its proper divisors (1803001968).

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

1021222032 is a wasteful number, since it uses less digits than its factorization.

1021222032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19068 (or 19062 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1021222032 is about 31956.5647715771. The cubic root of 1021222032 is about 1007.0245508120.

Adding to 1021222032 its reverse (2302221201), we get a palindrome (3323443233).

The spelling of 1021222032 in words is "one billion, twenty-one million, two hundred twenty-two thousand, thirty-two".