151001222 has 16 divisors (see below), whose sum is σ = 230349312. Its totient is φ = 74229120.

The previous prime is 151001209. The next prime is 151001239. The reversal of 151001222 is 222100151.

It is a junction number, because it is equal to n+sod(n) for n = 151001197 and 151001206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26072 + ... + 31332.

It is an arithmetic number, because the mean of its divisors is an integer number (14396832).

Almost surely, 2^151001222 is an apocalyptic number.

151001222 is a deficient number, since it is larger than the sum of its proper divisors (79348090).

151001222 is a wasteful number, since it uses less digits than its factorization.

151001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 151001222 is about 12288.2554498187. The cubic root of 151001222 is about 532.5088386345.

Adding to 151001222 its reverse (222100151), we get a palindrome (373101373).

The spelling of 151001222 in words is "one hundred fifty-one million, one thousand, two hundred twenty-two".