151940222 has 32 divisors (see below), whose sum is σ = 274060800. Its totient is φ = 61796448.

The previous prime is 151940221. The next prime is 151940227. The reversal of 151940222 is 222049151.

151940222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×151940222² = 46171662122818568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151940191 and 151940200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151940221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20783 + ... + 27125.

It is an arithmetic number, because the mean of its divisors is an integer number (8564400).

Almost surely, 2^151940222 is an apocalyptic number.

151940222 is a deficient number, since it is larger than the sum of its proper divisors (122120578).

151940222 is a wasteful number, since it uses less digits than its factorization.

151940222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6440.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 151940222 is about 12326.4034495063. The cubic root of 151940222 is about 533.6103592930.

Adding to 151940222 its reverse (222049151), we get a palindrome (373989373).

The spelling of 151940222 in words is "one hundred fifty-one million, nine hundred forty thousand, two hundred twenty-two".