1022210242 has 4 divisors (see below), whose sum is σ = 1533315366. Its totient is φ = 511105120.

The previous prime is 1022210239. The next prime is 1022210243. The reversal of 1022210242 is 2420122201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 664659961 + 357550281 = 25781^2 + 18909^2 .

It is not an unprimeable number, because it can be changed into a prime (1022210243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255552559 + ... + 255552562.

Almost surely, 2^1022210242 is an apocalyptic number.

1022210242 is a deficient number, since it is larger than the sum of its proper divisors (511105124).

1022210242 is an equidigital number, since it uses as much as digits as its factorization.

1022210242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511105123.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1022210242 is about 31972.0228011929. The cubic root of 1022210242 is about 1007.3492699160.

Adding to 1022210242 its reverse (2420122201), we get a palindrome (3442332443).

The spelling of 1022210242 in words is "one billion, twenty-two million, two hundred ten thousand, two hundred forty-two".