155222355 has 32 divisors (see below), whose sum is σ = 259536960. Its totient is φ = 79116800.

The previous prime is 155222323. The next prime is 155222357. The reversal of 155222355 is 553222551.

It is not a de Polignac number, because 155222355 - 2⁵ = 155222323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155222357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42169 + ... + 45701.

It is an arithmetic number, because the mean of its divisors is an integer number (8110530).

Almost surely, 2^155222355 is an apocalyptic number.

155222355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155222355 is a deficient number, since it is larger than the sum of its proper divisors (104314605).

155222355 is a wasteful number, since it uses less digits than its factorization.

155222355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671.

The product of its digits is 15000, while the sum is 30.

The square root of 155222355 is about 12458.8263893514. The cubic root of 155222355 is about 537.4252775160.

The spelling of 155222355 in words is "one hundred fifty-five million, two hundred twenty-two thousand, three hundred fifty-five".