1422938643 has 16 divisors (see below), whose sum is σ = 2203835136. Its totient is φ = 799777440.

The previous prime is 1422938617. The next prime is 1422938653. The reversal of 1422938643 is 3468392241.

It is not a de Polignac number, because 1422938643 - 2¹³ = 1422930451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1422938595 and 1422938604.

It is not an unprimeable number, because it can be changed into a prime (1422938653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554121 + ... + 556682.

It is an arithmetic number, because the mean of its divisors is an integer number (137739696).

Almost surely, 2^1422938643 is an apocalyptic number.

1422938643 is a deficient number, since it is larger than the sum of its proper divisors (780896493).

1422938643 is a wasteful number, since it uses less digits than its factorization.

1422938643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110874.

The product of its digits is 248832, while the sum is 42.

The square root of 1422938643 is about 37721.8589547228. The cubic root of 1422938643 is about 1124.7656843358.

The spelling of 1422938643 in words is "one billion, four hundred twenty-two million, nine hundred thirty-eight thousand, six hundred forty-three".