155214022 has 8 divisors (see below), whose sum is σ = 237774816. Its totient is φ = 75955752.

The previous prime is 155214019. The next prime is 155214041. The reversal of 155214022 is 220412551.

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 = 155213984 and 155214002.

It is a congruent number.

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, 825513 + ... + 825700.

It is an arithmetic number, because the mean of its divisors is an integer number (29721852).

Almost surely, 2^155214022 is an apocalyptic number.

155214022 is a deficient number, since it is larger than the sum of its proper divisors (82560794).

155214022 is a wasteful number, since it uses less digits than its factorization.

155214022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651262.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 155214022 is about 12458.4919633156. The cubic root of 155214022 is about 537.4156602480.

Adding to 155214022 its reverse (220412551), we get a palindrome (375626573).

The spelling of 155214022 in words is "one hundred fifty-five million, two hundred fourteen thousand, twenty-two".