2400222544 has 10 divisors (see below), whose sum is σ = 4650431210. Its totient is φ = 1200111264.

The previous prime is 2400222541. The next prime is 2400222563. The reversal of 2400222544 is 4452220042.

It can be written as a sum of positive squares in only one way, i.e., 2246760000 + 153462544 = 47400^2 + 12388^2 .

It is a super-2 number, since 2×2400222544² = 11522136521451663872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400222541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75006939 + ... + 75006970.

It is an arithmetic number, because the mean of its divisors is an integer number (465043121).

Almost surely, 2^2400222544 is an apocalyptic number.

It is an amenable number.

2400222544 is a deficient number, since it is larger than the sum of its proper divisors (2250208666).

2400222544 is a wasteful number, since it uses less digits than its factorization.

2400222544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150013917 (or 150013911 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 2400222544 is about 48992.0661332016. The cubic root of 2400222544 is about 1338.9072817427.

Adding to 2400222544 its reverse (4452220042), we get a palindrome (6852442586).

The spelling of 2400222544 in words is "two billion, four hundred million, two hundred twenty-two thousand, five hundred forty-four".