1022455 has 16 divisors (see below), whose sum is σ = 1419264. Its totient is φ = 692640.

The previous prime is 1022449. The next prime is 1022467. The reversal of 1022455 is 5542201.

It is not a de Polignac number, because 1022455 - 2¹¹ = 1020407 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4474 + ... + 4696.

It is an arithmetic number, because the mean of its divisors is an integer number (88704).

2^1022455 is an apocalyptic number.

1022455 is a deficient number, since it is larger than the sum of its proper divisors (396809).

1022455 is a wasteful number, since it uses less digits than its factorization.

1022455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1022455 is about 1011.1651694951. The cubic root of 1022455 is about 100.7429663396.

Adding to 1022455 its reverse (5542201), we get a palindrome (6564656).

It can be divided in two parts, 102245 and 5, that multiplied together give a square (511225 = 715²).

The spelling of 1022455 in words is "one million, twenty-two thousand, four hundred fifty-five".