1022454 has 24 divisors (see below), whose sum is σ = 2268552. Its totient is φ = 332640.

The previous prime is 1022449. The next prime is 1022467. The reversal of 1022454 is 4542201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114 + ... + 1434.

It is an arithmetic number, because the mean of its divisors is an integer number (94523).

2^1022454 is an apocalyptic number.

1022454 is an abundant number, since it is smaller than the sum of its proper divisors (1246098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022454 is a wasteful number, since it uses less digits than its factorization.

1022454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372 (or 1369 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1022454 is about 1011.1646750159. The cubic root of 1022454 is about 100.7429334961.

Adding to 1022454 its reverse (4542201), we get a palindrome (5564655).

It can be divided in two parts, 102 and 2454, that added together give a triangular number (2556 = T₇₁).

The spelling of 1022454 in words is "one million, twenty-two thousand, four hundred fifty-four".