167223477 has 4 divisors (see below), whose sum is σ = 222964640. Its totient is φ = 111482316.

The previous prime is 167223473. The next prime is 167223527. The reversal of 167223477 is 774322761.

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 not a de Polignac number, because 167223477 - 2² = 167223473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167223473) 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, 27870577 + ... + 27870582.

It is an arithmetic number, because the mean of its divisors is an integer number (55741160).

Almost surely, 2^167223477 is an apocalyptic number.

It is an amenable number.

167223477 is a deficient number, since it is larger than the sum of its proper divisors (55741163).

167223477 is an equidigital number, since it uses as much as digits as its factorization.

167223477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55741162.

The product of its digits is 98784, while the sum is 39.

The square root of 167223477 is about 12931.4916772969. The cubic root of 167223477 is about 550.9333760023.

The spelling of 167223477 in words is "one hundred sixty-seven million, two hundred twenty-three thousand, four hundred seventy-seven".