662227157 has 4 divisors (see below), whose sum is σ = 662505600. Its totient is φ = 661948716.

The previous prime is 662227141. The next prime is 662227187. The reversal of 662227157 is 751722266.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 662227157 - 2⁴ = 662227141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 662227157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662227117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135623 + ... + 140420.

It is an arithmetic number, because the mean of its divisors is an integer number (165626400).

Almost surely, 2^662227157 is an apocalyptic number.

It is an amenable number.

662227157 is a deficient number, since it is larger than the sum of its proper divisors (278443).

662227157 is a wasteful number, since it uses less digits than its factorization.

662227157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278442.

The product of its digits is 70560, while the sum is 38.

The square root of 662227157 is about 25733.7746356806. The cubic root of 662227157 is about 871.6370098787.

The spelling of 662227157 in words is "six hundred sixty-two million, two hundred twenty-seven thousand, one hundred fifty-seven".