1222654 has 8 divisors (see below), whose sum is σ = 1839960. Its totient is φ = 609336.

The previous prime is 1222651. The next prime is 1222667. The reversal of 1222654 is 4562221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49 + ... + 1564.

It is an arithmetic number, because the mean of its divisors is an integer number (229995).

2^1222654 is an apocalyptic number.

1222654 is a deficient number, since it is larger than the sum of its proper divisors (617306).

1222654 is a wasteful number, since it uses less digits than its factorization.

1222654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994.

The product of its digits is 960, while the sum is 22.

The square root of 1222654 is about 1105.7368583890. The cubic root of 1222654 is about 106.9303998998.

Adding to 1222654 its reverse (4562221), we get a palindrome (5784875).

The spelling of 1222654 in words is "one million, two hundred twenty-two thousand, six hundred fifty-four".