1223551662 has 16 divisors (see below), whose sum is σ = 2481570432. Its totient is φ = 402106040.

The previous prime is 1223551639. The next prime is 1223551663. The reversal of 1223551662 is 2661553221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223551663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1435668 + ... + 1436519.

It is an arithmetic number, because the mean of its divisors is an integer number (155098152).

Almost surely, 2^1223551662 is an apocalyptic number.

1223551662 is an abundant number, since it is smaller than the sum of its proper divisors (1258018770).

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

1223551662 is a wasteful number, since it uses less digits than its factorization.

1223551662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872263.

The product of its digits is 21600, while the sum is 33.

The square root of 1223551662 is about 34979.3033378311. The cubic root of 1223551662 is about 1069.5656262315.

The spelling of 1223551662 in words is "one billion, two hundred twenty-three million, five hundred fifty-one thousand, six hundred sixty-two".