222151533 has 8 divisors (see below), whose sum is σ = 299078208. Its totient is φ = 146662944.

The previous prime is 222151511. The next prime is 222151541. The reversal of 222151533 is 335151222.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-222151533 is a prime.

It is a super-2 number, since 2×222151533² = 98702607228500178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222151543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359160 + ... + 359777.

It is an arithmetic number, because the mean of its divisors is an integer number (37384776).

Almost surely, 2^222151533 is an apocalyptic number.

It is an amenable number.

222151533 is a deficient number, since it is larger than the sum of its proper divisors (76926675).

222151533 is a wasteful number, since it uses less digits than its factorization.

222151533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719043.

The product of its digits is 1800, while the sum is 24.

The square root of 222151533 is about 14904.7486728224. The cubic root of 222151533 is about 605.6426320454.

The spelling of 222151533 in words is "two hundred twenty-two million, one hundred fifty-one thousand, five hundred thirty-three".