2215542451 has 2 divisors, whose sum is σ = 2215542452. Its totient is φ = 2215542450.

The previous prime is 2215542437. The next prime is 2215542521. The reversal of 2215542451 is 1542455122.

2215542451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2215542451 - 2⁵ = 2215542419 is a prime.

It is not a weakly prime, because it can be changed into another prime (2215542401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107771225 + 1107771226.

It is an arithmetic number, because the mean of its divisors is an integer number (1107771226).

Almost surely, 2^2215542451 is an apocalyptic number.

2215542451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215542451 is an equidigital number, since it uses as much as digits as its factorization.

2215542451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16000, while the sum is 31.

The square root of 2215542451 is about 47069.5490843071. The cubic root of 2215542451 is about 1303.6470470959.

Adding to 2215542451 its reverse (1542455122), we get a palindrome (3757997573).

The spelling of 2215542451 in words is "two billion, two hundred fifteen million, five hundred forty-two thousand, four hundred fifty-one".