1022400242 has 8 divisors (see below), whose sum is σ = 1545307632. Its totient is φ = 507297700.

The previous prime is 1022400217. The next prime is 1022400251. The reversal of 1022400242 is 2420042201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1022400242.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1950884 + ... + 1951407.

It is an arithmetic number, because the mean of its divisors is an integer number (193163454).

Almost surely, 2^1022400242 is an apocalyptic number.

1022400242 is a deficient number, since it is larger than the sum of its proper divisors (522907390).

1022400242 is a wasteful number, since it uses less digits than its factorization.

1022400242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902424.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1022400242 is about 31974.9940109455. The cubic root of 1022400242 is about 1007.4116786379.

Adding to 1022400242 its reverse (2420042201), we get a palindrome (3442442443).

The spelling of 1022400242 in words is "one billion, twenty-two million, four hundred thousand, two hundred forty-two".