154222 has 8 divisors (see below), whose sum is σ = 239400. Its totient is φ = 74424.

The previous prime is 154213. The next prime is 154229. The reversal of 154222 is 222451.

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

154222 is a modest number, since divided by 222 gives 154 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 154196 and 154205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154229) by changing a digit.

154222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1272 + ... + 1387.

It is an arithmetic number, because the mean of its divisors is an integer number (29925).

2¹⁵⁴²²² is an apocalyptic number.

154222 is a deficient number, since it is larger than the sum of its proper divisors (85178).

154222 is a wasteful number, since it uses less digits than its factorization.

154222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690.

The product of its digits is 160, while the sum is 16.

The square root of 154222 is about 392.7110897339. The cubic root of 154222 is about 53.6268281082.

Adding to 154222 its reverse (222451), we get a palindrome (376673).

The spelling of 154222 in words is "one hundred fifty-four thousand, two hundred twenty-two".