1022654 has 4 divisors (see below), whose sum is σ = 1533984. Its totient is φ = 511326.

The previous prime is 1022653. The next prime is 1022677. The reversal of 1022654 is 4562201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255662 + ... + 255665.

It is an arithmetic number, because the mean of its divisors is an integer number (383496).

2^1022654 is an apocalyptic number.

1022654 is a deficient number, since it is larger than the sum of its proper divisors (511330).

1022654 is an equidigital number, since it uses as much as digits as its factorization.

1022654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511329.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1022654 is about 1011.2635660400. The cubic root of 1022654 is about 100.7495017698.

Adding to 1022654 its reverse (4562201), we get a palindrome (5584855).

It can be divided in two parts, 102265 and 4, that multiplied together give a triangular number (409060 = T₉₀₄).

The spelling of 1022654 in words is "one million, twenty-two thousand, six hundred fifty-four".