1021232214 has 12 divisors (see below), whose sum is σ = 2212669836. Its totient is φ = 340410732.

The previous prime is 1021232213. The next prime is 1021232231. The reversal of 1021232214 is 4122321201.

It is a happy number.

It is a super-2 number, since 2×1021232214² = 2085830469822683592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 56735123 = 1021232214 / (1 + 0 + 2 + 1 + 2 + 3 + 2 + 2 + 1 + 4).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021232213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28367544 + ... + 28367579.

It is an arithmetic number, because the mean of its divisors is an integer number (184389153).

Almost surely, 2^1021232214 is an apocalyptic number.

1021232214 is an abundant number, since it is smaller than the sum of its proper divisors (1191437622).

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

1021232214 is a wasteful number, since it uses less digits than its factorization.

1021232214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56735131 (or 56735128 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1021232214 is about 31956.7240811695. The cubic root of 1021232214 is about 1007.0278976160.

Adding to 1021232214 its reverse (4122321201), we get a palindrome (5143553415).

The spelling of 1021232214 in words is "one billion, twenty-one million, two hundred thirty-two thousand, two hundred fourteen".