220422149 has 2 divisors, whose sum is σ = 220422150. Its totient is φ = 220422148.

The previous prime is 220422101. The next prime is 220422157. The reversal of 220422149 is 941224022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118048225 + 102373924 = 10865^2 + 10118^2 .

It is a cyclic number.

It is not a de Polignac number, because 220422149 - 2²⁴ = 203644933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220422199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110211074 + 110211075.

It is an arithmetic number, because the mean of its divisors is an integer number (110211075).

Almost surely, 2^220422149 is an apocalyptic number.

It is an amenable number.

220422149 is a deficient number, since it is larger than the sum of its proper divisors (1).

220422149 is an equidigital number, since it uses as much as digits as its factorization.

220422149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 220422149 is about 14846.6207939719. The cubic root of 220422149 is about 604.0669532741.

The spelling of 220422149 in words is "two hundred twenty million, four hundred twenty-two thousand, one hundred forty-nine".