2215424254 has 4 divisors (see below), whose sum is σ = 3323136384. Its totient is φ = 1107712126.

The previous prime is 2215424249. The next prime is 2215424261. The reversal of 2215424254 is 4524245122.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2215424254² = 9816209250422913032, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553856062 + ... + 553856065.

It is an arithmetic number, because the mean of its divisors is an integer number (830784096).

Almost surely, 2^2215424254 is an apocalyptic number.

2215424254 is a deficient number, since it is larger than the sum of its proper divisors (1107712130).

2215424254 is a wasteful number, since it uses less digits than its factorization.

2215424254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107712129.

The product of its digits is 25600, while the sum is 31.

The square root of 2215424254 is about 47068.2935106001. The cubic root of 2215424254 is about 1303.6238639231.

Adding to 2215424254 its reverse (4524245122), we get a palindrome (6739669376).

The spelling of 2215424254 in words is "two billion, two hundred fifteen million, four hundred twenty-four thousand, two hundred fifty-four".