1021222150 has 96 divisors (see below), whose sum is σ = 2149862400. Its totient is φ = 358300800.

The previous prime is 1021222141. The next prime is 1021222151. The reversal of 1021222150 is 512221201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021222151) 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 47 ways as a sum of consecutive naturals, for example, 1188421 + ... + 1189279.

It is an arithmetic number, because the mean of its divisors is an integer number (22394400).

Almost surely, 2^1021222150 is an apocalyptic number.

1021222150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021222150 is an abundant number, since it is smaller than the sum of its proper divisors (1128640250).

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

1021222150 is a wasteful number, since it uses less digits than its factorization.

1021222150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1021222150 is about 31956.5666178330. The cubic root of 1021222150 is about 1007.0245895985.

Adding to 1021222150 its reverse (512221201), we get a palindrome (1533443351).

The spelling of 1021222150 in words is "one billion, twenty-one million, two hundred twenty-two thousand, one hundred fifty".