2227912451 has 2 divisors, whose sum is σ = 2227912452. Its totient is φ = 2227912450.

The previous prime is 2227912429. The next prime is 2227912483. The reversal of 2227912451 is 1542197222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2227912451 - 2⁶ = 2227912387 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2227912651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113956225 + 1113956226.

It is an arithmetic number, because the mean of its divisors is an integer number (1113956226).

Almost surely, 2^2227912451 is an apocalyptic number.

2227912451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2227912451 is an equidigital number, since it uses as much as digits as its factorization.

2227912451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 2227912451 is about 47200.7674831671. The cubic root of 2227912451 is about 1306.0687556778.

The spelling of 2227912451 in words is "two billion, two hundred twenty-seven million, nine hundred twelve thousand, four hundred fifty-one".