1225022654 has 4 divisors (see below), whose sum is σ = 1837533984. Its totient is φ = 612511326.

The previous prime is 1225022651. The next prime is 1225022671. The reversal of 1225022654 is 4562205221.

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 (1225022651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306255662 + ... + 306255665.

It is an arithmetic number, because the mean of its divisors is an integer number (459383496).

Almost surely, 2^1225022654 is an apocalyptic number.

1225022654 is a deficient number, since it is larger than the sum of its proper divisors (612511330).

1225022654 is an equidigital number, since it uses as much as digits as its factorization.

1225022654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612511329.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1225022654 is about 35000.3236270752. The cubic root of 1225022654 is about 1069.9940763058.

Adding to 1225022654 its reverse (4562205221), we get a palindrome (5787227875).

The spelling of 1225022654 in words is "one billion, two hundred twenty-five million, twenty-two thousand, six hundred fifty-four".