1422020155 has 8 divisors (see below), whose sum is σ = 1713877200. Its totient is φ = 1132647456.

The previous prime is 1422020147. The next prime is 1422020167. The reversal of 1422020155 is 5510202241.

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 1422020155 - 2³ = 1422020147 is a prime.

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, 619825 + ... + 622114.

It is an arithmetic number, because the mean of its divisors is an integer number (214234650).

Almost surely, 2^1422020155 is an apocalyptic number.

1422020155 is a deficient number, since it is larger than the sum of its proper divisors (291857045).

1422020155 is a wasteful number, since it uses less digits than its factorization.

1422020155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242173.

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

The square root of 1422020155 is about 37709.6825099337. The cubic root of 1422020155 is about 1124.5236251415.

Adding to 1422020155 its reverse (5510202241), we get a palindrome (6932222396).

The spelling of 1422020155 in words is "one billion, four hundred twenty-two million, twenty thousand, one hundred fifty-five".