1422013394 has 4 divisors (see below), whose sum is σ = 2133020094. Its totient is φ = 711006696.

The previous prime is 1422013391. The next prime is 1422013423. The reversal of 1422013394 is 4933102241.

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., 1039224169 + 382789225 = 32237^2 + 19565^2 .

It is not an unprimeable number, because it can be changed into a prime (1422013391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355503347 + ... + 355503350.

Almost surely, 2^1422013394 is an apocalyptic number.

1422013394 is a deficient number, since it is larger than the sum of its proper divisors (711006700).

1422013394 is an equidigital number, since it uses as much as digits as its factorization.

1422013394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711006699.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1422013394 is about 37709.5928644158. The cubic root of 1422013394 is about 1124.5218429548.

The spelling of 1422013394 in words is "one billion, four hundred twenty-two million, thirteen thousand, three hundred ninety-four".