1222262254 has 4 divisors (see below), whose sum is σ = 1833393384. Its totient is φ = 611131126.

The previous prime is 1222262227. The next prime is 1222262257. The reversal of 1222262254 is 4522622221.

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 (1222262257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305565562 + ... + 305565565.

It is an arithmetic number, because the mean of its divisors is an integer number (458348346).

Almost surely, 2^1222262254 is an apocalyptic number.

1222262254 is a deficient number, since it is larger than the sum of its proper divisors (611131130).

1222262254 is an equidigital number, since it uses as much as digits as its factorization.

1222262254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611131129.

The product of its digits is 7680, while the sum is 28.

The square root of 1222262254 is about 34960.8674663544. The cubic root of 1222262254 is about 1069.1897828986.

Adding to 1222262254 its reverse (4522622221), we get a palindrome (5744884475).

The spelling of 1222262254 in words is "one billion, two hundred twenty-two million, two hundred sixty-two thousand, two hundred fifty-four".