151622 has 8 divisors (see below), whose sum is σ = 232416. Its totient is φ = 74152.

The previous prime is 151609. The next prime is 151631. The reversal of 151622 is 226151.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 151622.

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, 713 + ... + 900.

It is an arithmetic number, because the mean of its divisors is an integer number (29052).

2¹⁵¹⁶²² is an apocalyptic number.

151622 is a deficient number, since it is larger than the sum of its proper divisors (80794).

151622 is a wasteful number, since it uses less digits than its factorization.

151622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662.

The product of its digits is 120, while the sum is 17.

The square root of 151622 is about 389.3866972561. The cubic root of 151622 is about 53.3237569612.

Adding to 151622 its reverse (226151), we get a palindrome (377773).

Subtracting 151622 from its reverse (226151), we obtain a square (74529 = 273²).

The spelling of 151622 in words is "one hundred fifty-one thousand, six hundred twenty-two".