2272112451 has 24 divisors (see below), whose sum is σ = 3889709824. Its totient is φ = 1298349000.

The previous prime is 2272112449. The next prime is 2272112461. The reversal of 2272112451 is 1542112722.

It is a happy number.

It is not a de Polignac number, because 2272112451 - 2¹ = 2272112449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2272112461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 666175 + ... + 669576.

Almost surely, 2^2272112451 is an apocalyptic number.

2272112451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2272112451 is a deficient number, since it is larger than the sum of its proper divisors (1617597373).

2272112451 is an equidigital number, since it uses as much as digits as its factorization.

2272112451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335773 (or 1335761 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 2272112451 is about 47666.6807214431. The cubic root of 2272112451 is about 1314.6493787802.

The spelling of 2272112451 in words is "two billion, two hundred seventy-two million, one hundred twelve thousand, four hundred fifty-one".