151422210 has 80 divisors (see below), whose sum is σ = 428630400. Its totient is φ = 38250144.

The previous prime is 151422209. The next prime is 151422217. The reversal of 151422210 is 12224151.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (151422217) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10471 + ... + 20309.

It is an arithmetic number, because the mean of its divisors is an integer number (5357880).

Almost surely, 2^151422210 is an apocalyptic number.

151422210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 151422210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214315200).

151422210 is an abundant number, since it is smaller than the sum of its proper divisors (277208190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151422210 is a wasteful number, since it uses less digits than its factorization.

151422210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9877 (or 9868 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 151422210 is about 12305.3732166075. The cubic root of 151422210 is about 533.0032536553.

Adding to 151422210 its reverse (12224151), we get a palindrome (163646361).

The spelling of 151422210 in words is "one hundred fifty-one million, four hundred twenty-two thousand, two hundred ten".