2212563451 has 4 divisors (see below), whose sum is σ = 2528643952. Its totient is φ = 1896482952.

The previous prime is 2212563449. The next prime is 2212563473. The reversal of 2212563451 is 1543652122.

2212563451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2212563451 - 2¹ = 2212563449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212561451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158040240 + ... + 158040253.

It is an arithmetic number, because the mean of its divisors is an integer number (632160988).

Almost surely, 2^2212563451 is an apocalyptic number.

2212563451 is a deficient number, since it is larger than the sum of its proper divisors (316080501).

2212563451 is an equidigital number, since it uses as much as digits as its factorization.

2212563451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316080500.

The product of its digits is 14400, while the sum is 31.

The square root of 2212563451 is about 47037.8937772515. The cubic root of 2212563451 is about 1303.0624940209.

The spelling of 2212563451 in words is "two billion, two hundred twelve million, five hundred sixty-three thousand, four hundred fifty-one".