155222602 has 8 divisors (see below), whose sum is σ = 233338176. Its totient is φ = 77443212.

The previous prime is 155222593. The next prime is 155222651. The reversal of 155222602 is 206222551.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82888 + ... + 84739.

It is an arithmetic number, because the mean of its divisors is an integer number (29167272).

Almost surely, 2^155222602 is an apocalyptic number.

155222602 is a deficient number, since it is larger than the sum of its proper divisors (78115574).

155222602 is a wasteful number, since it uses less digits than its factorization.

155222602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168092.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 155222602 is about 12458.8363019987. The cubic root of 155222602 is about 537.4255625780.

The spelling of 155222602 in words is "one hundred fifty-five million, two hundred twenty-two thousand, six hundred two".