42211377 has 12 divisors (see below), whose sum is σ = 65662324. Its totient is φ = 25976160.

The previous prime is 42211363. The next prime is 42211409. The reversal of 42211377 is 77311224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9960336 + 32251041 = 3156^2 + 5679^2 .

It is not a de Polignac number, because 42211377 - 2⁴ = 42211361 is a prime.

It is a super-2 number, since 2×42211377² = 3563600696472258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42211377.

It is not an unprimeable number, because it can be changed into a prime (42211307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180274 + ... + 180507.

Almost surely, 2^42211377 is an apocalyptic number.

It is an amenable number.

42211377 is a deficient number, since it is larger than the sum of its proper divisors (23450947).

42211377 is a wasteful number, since it uses less digits than its factorization.

42211377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360800 (or 360797 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 42211377 is about 6497.0283207017. The cubic root of 42211377 is about 348.1848255223.

The spelling of 42211377 in words is "forty-two million, two hundred eleven thousand, three hundred seventy-seven".