74226151 has 4 divisors (see below), whose sum is σ = 75334072. Its totient is φ = 73118232.

The previous prime is 74226079. The next prime is 74226209. The reversal of 74226151 is 15162247.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74226151 - 2⁹ = 74225639 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 (74226751) 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, 553860 + ... + 553993.

It is an arithmetic number, because the mean of its divisors is an integer number (18833518).

Almost surely, 2^74226151 is an apocalyptic number.

74226151 is a deficient number, since it is larger than the sum of its proper divisors (1107921).

74226151 is a wasteful number, since it uses less digits than its factorization.

74226151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107920.

The product of its digits is 3360, while the sum is 28.

The square root of 74226151 is about 8615.4599993268. The cubic root of 74226151 is about 420.2608942164.

Adding to 74226151 its reverse (15162247), we get a palindrome (89388398).

The spelling of 74226151 in words is "seventy-four million, two hundred twenty-six thousand, one hundred fifty-one".