1420022047 has 4 divisors (see below), whose sum is σ = 1481762160. Its totient is φ = 1358281936.

The previous prime is 1420022039. The next prime is 1420022063. The reversal of 1420022047 is 7402200241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1420022047 - 2³ = 1420022039 is a prime.

It is a super-2 number, since 2×1420022047² = 4032925227932140418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420022147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30870022 + ... + 30870067.

It is an arithmetic number, because the mean of its divisors is an integer number (370440540).

Almost surely, 2^1420022047 is an apocalyptic number.

1420022047 is a deficient number, since it is larger than the sum of its proper divisors (61740113).

1420022047 is an equidigital number, since it uses as much as digits as its factorization.

1420022047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61740112.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 1420022047 is about 37683.1798950142. The cubic root of 1420022047 is about 1123.9966816326.

Adding to 1420022047 its reverse (7402200241), we get a palindrome (8822222288).

The spelling of 1420022047 in words is "one billion, four hundred twenty million, twenty-two thousand, forty-seven".