154406222 has 8 divisors (see below), whose sum is σ = 241679376. Its totient is φ = 73846432.

The previous prime is 154406221. The next prime is 154406267. The reversal of 154406222 is 222604451.

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

It is a junction number, because it is equal to n+sod(n) for n = 154406191 and 154406200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154406221) 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, 1678283 + ... + 1678374.

It is an arithmetic number, because the mean of its divisors is an integer number (30209922).

Almost surely, 2^154406222 is an apocalyptic number.

154406222 is a deficient number, since it is larger than the sum of its proper divisors (87273154).

154406222 is a wasteful number, since it uses less digits than its factorization.

154406222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356682.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 154406222 is about 12426.0300176686. The cubic root of 154406222 is about 536.4817246995.

The spelling of 154406222 in words is "one hundred fifty-four million, four hundred six thousand, two hundred twenty-two".