1420022155 has 8 divisors (see below), whose sum is σ = 1804263552. Its totient is φ = 1069193088.

The previous prime is 1420022147. The next prime is 1420022159. The reversal of 1420022155 is 5512200241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1420022155 - 2³ = 1420022147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420022159) 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, 8352987 + ... + 8353156.

It is an arithmetic number, because the mean of its divisors is an integer number (225532944).

Almost surely, 2^1420022155 is an apocalyptic number.

1420022155 is a deficient number, since it is larger than the sum of its proper divisors (384241397).

1420022155 is a wasteful number, since it uses less digits than its factorization.

1420022155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16706165.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1420022155 is about 37683.1813280142. The cubic root of 1420022155 is about 1123.9967101279.

Adding to 1420022155 its reverse (5512200241), we get a palindrome (6932222396).

The spelling of 1420022155 in words is "one billion, four hundred twenty million, twenty-two thousand, one hundred fifty-five".