1002221432 has 16 divisors (see below), whose sum is σ = 1891136760. Its totient is φ = 497918304.

The previous prime is 1002221419. The next prime is 1002221449. The reversal of 1002221432 is 2341222001.

It is a super-3 number, since 3×1002221432³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1002221432.

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, 397718 + ... + 400229.

Almost surely, 2^1002221432 is an apocalyptic number.

It is an amenable number.

1002221432 is a deficient number, since it is larger than the sum of its proper divisors (888915328).

1002221432 is a wasteful number, since it uses less digits than its factorization.

1002221432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798110 (or 798106 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1002221432 is about 31657.8810409035. The cubic root of 1002221432 is about 1000.7399297023.

Adding to 1002221432 its reverse (2341222001), we get a palindrome (3343443433).

The spelling of 1002221432 in words is "one billion, two million, two hundred twenty-one thousand, four hundred thirty-two".