422625541 has 4 divisors (see below), whose sum is σ = 455135212. Its totient is φ = 390115872.

The previous prime is 422625523. The next prime is 422625547. The reversal of 422625541 is 145526224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 254274916 + 168350625 = 15946^2 + 12975^2 .

It is a cyclic number.

It is not a de Polignac number, because 422625541 - 2¹⁵ = 422592773 is a prime.

It is a super-2 number, since 2×422625541² = 357224695811085362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422625547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16254816 + ... + 16254841.

It is an arithmetic number, because the mean of its divisors is an integer number (113783803).

Almost surely, 2^422625541 is an apocalyptic number.

It is an amenable number.

422625541 is a deficient number, since it is larger than the sum of its proper divisors (32509671).

422625541 is a wasteful number, since it uses less digits than its factorization.

422625541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32509670.

The product of its digits is 19200, while the sum is 31.

The square root of 422625541 is about 20557.8583758134. The cubic root of 422625541 is about 750.4445015428. Note that the first 3 decimals are identical.

The spelling of 422625541 in words is "four hundred twenty-two million, six hundred twenty-five thousand, five hundred forty-one".