1022356242 has 20 divisors (see below), whose sum is σ = 2290835646. Its totient is φ = 340785360.

The previous prime is 1022356219. The next prime is 1022356249. The reversal of 1022356242 is 2426532201.

It is a happy number.

1022356242 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 35 + 624 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 804232881 + 218123361 = 28359^2 + 14769^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1022356249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3155259 + ... + 3155582.

Almost surely, 2^1022356242 is an apocalyptic number.

1022356242 is an abundant number, since it is smaller than the sum of its proper divisors (1268479404).

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

1022356242 is an equidigital number, since it uses as much as digits as its factorization.

1022356242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6310855 (or 6310846 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1022356242 is about 31974.3059658845. The cubic root of 1022356242 is about 1007.3972267798.

Adding to 1022356242 its reverse (2426532201), we get a palindrome (3448888443).

The spelling of 1022356242 in words is "one billion, twenty-two million, three hundred fifty-six thousand, two hundred forty-two".