1021244622 has 32 divisors (see below), whose sum is σ = 2102889600. Its totient is φ = 330393888.

The previous prime is 1021244611. The next prime is 1021244641. The reversal of 1021244622 is 2264421201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1021244592 and 1021244601.

It is a congruent number.

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, 87529 + ... + 98507.

It is an arithmetic number, because the mean of its divisors is an integer number (65715300).

Almost surely, 2^1021244622 is an apocalyptic number.

1021244622 is an abundant number, since it is smaller than the sum of its proper divisors (1081644978).

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

1021244622 is a wasteful number, since it uses less digits than its factorization.

1021244622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11440.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1021244622 is about 31956.9182181261. The cubic root of 1021244622 is about 1007.0319760719.

Adding to 1021244622 its reverse (2264421201), we get a palindrome (3285665823).

The spelling of 1021244622 in words is "one billion, twenty-one million, two hundred forty-four thousand, six hundred twenty-two".