152223446 has 8 divisors (see below), whose sum is σ = 228396144. Its totient is φ = 76091400.

The previous prime is 152223433. The next prime is 152223451. The reversal of 152223446 is 644322251.

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

It is a super-2 number, since 2×152223446² = 46343955024229832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2216 + ... + 17588.

It is an arithmetic number, because the mean of its divisors is an integer number (28549518).

Almost surely, 2^152223446 is an apocalyptic number.

152223446 is a deficient number, since it is larger than the sum of its proper divisors (76172698).

152223446 is a wasteful number, since it uses less digits than its factorization.

152223446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20326.

The product of its digits is 11520, while the sum is 29.

The square root of 152223446 is about 12337.8866099507. The cubic root of 152223446 is about 533.9417120891.

Adding to 152223446 its reverse (644322251), we get a palindrome (796545697).

The spelling of 152223446 in words is "one hundred fifty-two million, two hundred twenty-three thousand, four hundred forty-six".