606220551 has 8 divisors (see below), whose sum is σ = 898104560. Its totient is φ = 404147016.

The previous prime is 606220411. The next prime is 606220577. The reversal of 606220551 is 155022606.

606220551 is a `hidden beast` number, since 606 + 2 + 2 + 0 + 5 + 51 = 666.

It is not a de Polignac number, because 606220551 - 2¹⁹ = 605696263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 22452613 = 606220551 / (6 + 0 + 6 + 2 + 2 + 0 + 5 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606220651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11226280 + ... + 11226333.

It is an arithmetic number, because the mean of its divisors is an integer number (112263070).

Almost surely, 2^606220551 is an apocalyptic number.

606220551 is a deficient number, since it is larger than the sum of its proper divisors (291884009).

606220551 is a wasteful number, since it uses less digits than its factorization.

606220551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22452622 (or 22452616 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 606220551 is about 24621.5464786435. The cubic root of 606220551 is about 846.3374364396.

The spelling of 606220551 in words is "six hundred six million, two hundred twenty thousand, five hundred fifty-one".