1422443242 has 16 divisors (see below), whose sum is σ = 2348992800. Its totient is φ = 640632240.

The previous prime is 1422443237. The next prime is 1422443249. The reversal of 1422443242 is 2423442241.

It is a super-2 number, since 2×1422443242² = 4046689553422941128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1422443242.

It is not an unprimeable number, because it can be changed into a prime (1422443249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294192 + ... + 298987.

It is an arithmetic number, because the mean of its divisors is an integer number (146812050).

Almost surely, 2^1422443242 is an apocalyptic number.

1422443242 is a deficient number, since it is larger than the sum of its proper divisors (926549558).

1422443242 is a wasteful number, since it uses less digits than its factorization.

1422443242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593301.

The product of its digits is 12288, while the sum is 28.

The square root of 1422443242 is about 37715.2918853878. The cubic root of 1422443242 is about 1124.6351388329.

Adding to 1422443242 its reverse (2423442241), we get a palindrome (3845885483).

The spelling of 1422443242 in words is "one billion, four hundred twenty-two million, four hundred forty-three thousand, two hundred forty-two".