1022151650 has 48 divisors (see below), whose sum is σ = 2070570600. Its totient is φ = 373148160.

The previous prime is 1022151631. The next prime is 1022151653. The reversal of 1022151650 is 561512201.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 73942801 + 948208849 = 8599^2 + 30793^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1022151653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49016 + ... + 66684.

Almost surely, 2^1022151650 is an apocalyptic number.

1022151650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022151650 is an abundant number, since it is smaller than the sum of its proper divisors (1048418950).

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

1022151650 is a wasteful number, since it uses less digits than its factorization.

1022151650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17783 (or 17778 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1022151650 is about 31971.1064869516. The cubic root of 1022151650 is about 1007.3300228200.

Adding to 1022151650 its reverse (561512201), we get a palindrome (1583663851).

The spelling of 1022151650 in words is "one billion, twenty-two million, one hundred fifty-one thousand, six hundred fifty".