4223555544 has 64 divisors (see below), whose sum is σ = 11475525600. Its totient is φ = 1287622656.

The previous prime is 4223555519. The next prime is 4223555549. The reversal of 4223555544 is 4455553224.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223555549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28089 + ... + 96104.

Almost surely, 2^4223555544 is an apocalyptic number.

It is an amenable number.

4223555544 is an abundant number, since it is smaller than the sum of its proper divisors (7251970056).

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

4223555544 is a wasteful number, since it uses less digits than its factorization.

4223555544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124324 (or 124320 counting only the distinct ones).

The product of its digits is 480000, while the sum is 39.

The square root of 4223555544 is about 64988.8878501548. The cubic root of 4223555544 is about 1616.4393094996.

It can be divided in two parts, 42235 and 55544, that added together give a palindrome (97779).

The spelling of 4223555544 in words is "four billion, two hundred twenty-three million, five hundred fifty-five thousand, five hundred forty-four".