154222067 has 2 divisors, whose sum is σ = 154222068. Its totient is φ = 154222066.

The previous prime is 154222049. The next prime is 154222093. The reversal of 154222067 is 760222451.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 154222067 - 2¹² = 154217971 is a prime.

It is not a weakly prime, because it can be changed into another prime (154222267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77111033 + 77111034.

It is an arithmetic number, because the mean of its divisors is an integer number (77111034).

Almost surely, 2^154222067 is an apocalyptic number.

154222067 is a deficient number, since it is larger than the sum of its proper divisors (1).

154222067 is an equidigital number, since it uses as much as digits as its factorization.

154222067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 154222067 is about 12418.6177572224. The cubic root of 154222067 is about 536.2683587407.

The spelling of 154222067 in words is "one hundred fifty-four million, two hundred twenty-two thousand, sixty-seven".