146215422 has 32 divisors (see below), whose sum is σ = 326345760. Its totient is φ = 48525120.

The previous prime is 146215409. The next prime is 146215441. The reversal of 146215422 is 224512641.

146215422 is a `hidden beast` number, since 14 + 621 + 5 + 4 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6772 + ... + 18392.

It is an arithmetic number, because the mean of its divisors is an integer number (10198305).

Almost surely, 2^146215422 is an apocalyptic number.

146215422 is an abundant number, since it is smaller than the sum of its proper divisors (180130338).

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

146215422 is a wasteful number, since it uses less digits than its factorization.

146215422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11865 (or 11859 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 146215422 is about 12091.9569135852. The cubic root of 146215422 is about 526.8225959455.

The spelling of 146215422 in words is "one hundred forty-six million, two hundred fifteen thousand, four hundred twenty-two".