1422723442 has 16 divisors (see below), whose sum is σ = 2447960832. Its totient is φ = 607487040.

The previous prime is 1422723437. The next prime is 1422723451. The reversal of 1422723442 is 2443272241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183703 + ... + 191290.

It is an arithmetic number, because the mean of its divisors is an integer number (152997552).

Almost surely, 2^1422723442 is an apocalyptic number.

1422723442 is a deficient number, since it is larger than the sum of its proper divisors (1025237390).

1422723442 is a wasteful number, since it uses less digits than its factorization.

1422723442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375273.

The product of its digits is 21504, while the sum is 31.

The square root of 1422723442 is about 37719.0063760964. The cubic root of 1422723442 is about 1124.7089794070.

Adding to 1422723442 its reverse (2443272241), we get a palindrome (3865995683).

The spelling of 1422723442 in words is "one billion, four hundred twenty-two million, seven hundred twenty-three thousand, four hundred forty-two".