169222461 has 8 divisors (see below), whose sum is σ = 225719424. Its totient is φ = 112770240.

The previous prime is 169222451. The next prime is 169222463. The reversal of 169222461 is 164222961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 169222461 - 2¹⁵ = 169189693 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169222463) 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, 1045 + ... + 18426.

It is an arithmetic number, because the mean of its divisors is an integer number (28214928).

Almost surely, 2^169222461 is an apocalyptic number.

It is an amenable number.

169222461 is a deficient number, since it is larger than the sum of its proper divisors (56496963).

169222461 is a wasteful number, since it uses less digits than its factorization.

169222461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22371.

The product of its digits is 10368, while the sum is 33.

The square root of 169222461 is about 13008.5533784507. The cubic root of 169222461 is about 553.1199660814.

The spelling of 169222461 in words is "one hundred sixty-nine million, two hundred twenty-two thousand, four hundred sixty-one".