2251455605 has 32 divisors (see below), whose sum is σ = 3318195456. Its totient is φ = 1431327744.

The previous prime is 2251455581. The next prime is 2251455607. The reversal of 2251455605 is 5065541522.

2251455605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2251455605 - 2⁶ = 2251455541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251455607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11627 + ... + 68103.

It is an arithmetic number, because the mean of its divisors is an integer number (103693608).

Almost surely, 2^2251455605 is an apocalyptic number.

It is an amenable number.

2251455605 is a deficient number, since it is larger than the sum of its proper divisors (1066739851).

2251455605 is a wasteful number, since it uses less digits than its factorization.

2251455605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56573.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 2251455605 is about 47449.5058456882. The cubic root of 2251455605 is about 1310.6532113220.

The spelling of 2251455605 in words is "two billion, two hundred fifty-one million, four hundred fifty-five thousand, six hundred five".