154030222 has 8 divisors (see below), whose sum is σ = 231165936. Its totient is φ = 76974912.

The previous prime is 154030213. The next prime is 154030229. The reversal of 154030222 is 222030451.

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

It is a self number, because there is not a number n which added to its sum of digits gives 154030222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154030229) 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, 15058 + ... + 23125.

It is an arithmetic number, because the mean of its divisors is an integer number (28895742).

Almost surely, 2^154030222 is an apocalyptic number.

154030222 is a deficient number, since it is larger than the sum of its proper divisors (77135714).

154030222 is a wasteful number, since it uses less digits than its factorization.

154030222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40202.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 154030222 is about 12410.8912653363. The cubic root of 154030222 is about 536.0459022655.

Adding to 154030222 its reverse (222030451), we get a palindrome (376060673).

The spelling of 154030222 in words is "one hundred fifty-four million, thirty thousand, two hundred twenty-two".