132221019 has 64 divisors (see below), whose sum is σ = 227957760. Its totient is φ = 66355200.

The previous prime is 132221009. The next prime is 132221021. The reversal of 132221019 is 910122231.

It is not a de Polignac number, because 132221019 - 2⁴ = 132221003 is a prime.

It is a super-2 number, since 2×132221019² = 34964795730796722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 132220986 and 132221004.

It is not an unprimeable number, because it can be changed into a prime (132221009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 684987 + ... + 685179.

It is an arithmetic number, because the mean of its divisors is an integer number (3561840).

Almost surely, 2^132221019 is an apocalyptic number.

132221019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

132221019 is a deficient number, since it is larger than the sum of its proper divisors (95736741).

132221019 is a wasteful number, since it uses less digits than its factorization.

132221019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 132221019 is about 11498.7398874833. The cubic root of 132221019 is about 509.4483577789.

It can be divided in two parts, 13222 and 1019, that added together give a palindrome (14241).

The spelling of 132221019 in words is "one hundred thirty-two million, two hundred twenty-one thousand, nineteen".