1022442155 has 32 divisors (see below), whose sum is σ = 1523650560. Its totient is φ = 642764160.

The previous prime is 1022442151. The next prime is 1022442163. The reversal of 1022442155 is 5512442201.

It is not a de Polignac number, because 1022442155 - 2² = 1022442151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022442151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4184 + ... + 45413.

It is an arithmetic number, because the mean of its divisors is an integer number (47614080).

Almost surely, 2^1022442155 is an apocalyptic number.

1022442155 is a deficient number, since it is larger than the sum of its proper divisors (501208405).

1022442155 is a wasteful number, since it uses less digits than its factorization.

1022442155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49659.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1022442155 is about 31975.6494070097. The cubic root of 1022442155 is about 1007.4254446325.

Adding to 1022442155 its reverse (5512442201), we get a palindrome (6534884356).

The spelling of 1022442155 in words is "one billion, twenty-two million, four hundred forty-two thousand, one hundred fifty-five".