4661224551 has 12 divisors (see below), whose sum is σ = 7025614128. Its totient is φ = 2972374944.

The previous prime is 4661224507. The next prime is 4661224567. The reversal of 4661224551 is 1554221664.

4661224551 is a `hidden beast` number, since 46 + 61 + 2 + 2 + 4 + 551 = 666.

It is not a de Polignac number, because 4661224551 - 2⁶ = 4661224487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4661224151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11258790 + ... + 11259203.

It is an arithmetic number, because the mean of its divisors is an integer number (585467844).

Almost surely, 2^4661224551 is an apocalyptic number.

4661224551 is a deficient number, since it is larger than the sum of its proper divisors (2364389577).

4661224551 is a wasteful number, since it uses less digits than its factorization.

4661224551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22518022 (or 22518019 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 4661224551 is about 68273.1612787924. The cubic root of 4661224551 is about 1670.4494649976.

The spelling of 4661224551 in words is "four billion, six hundred sixty-one million, two hundred twenty-four thousand, five hundred fifty-one".