155422667 has 2 divisors, whose sum is σ = 155422668. Its totient is φ = 155422666.

The previous prime is 155422651. The next prime is 155422669. The reversal of 155422667 is 766224551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155422667 - 2⁴ = 155422651 is a prime.

Together with 155422669, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155422667.

It is not a weakly prime, because it can be changed into another prime (155422669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77711333 + 77711334.

It is an arithmetic number, because the mean of its divisors is an integer number (77711334).

Almost surely, 2^155422667 is an apocalyptic number.

155422667 is a deficient number, since it is larger than the sum of its proper divisors (1).

155422667 is an equidigital number, since it uses as much as digits as its factorization.

155422667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 38.

The square root of 155422667 is about 12466.8627569249. The cubic root of 155422667 is about 537.6563577564.

The spelling of 155422667 in words is "one hundred fifty-five million, four hundred twenty-two thousand, six hundred sixty-seven".