261054422 has 8 divisors (see below), whose sum is σ = 396299736. Its totient is φ = 128954512.

The previous prime is 261054413. The next prime is 261054449. The reversal of 261054422 is 224450162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×261054422² = 136298822491508168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 261054391 and 261054400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786143 + ... + 786474.

It is an arithmetic number, because the mean of its divisors is an integer number (49537467).

Almost surely, 2^261054422 is an apocalyptic number.

261054422 is a deficient number, since it is larger than the sum of its proper divisors (135245314).

261054422 is a wasteful number, since it uses less digits than its factorization.

261054422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572702.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 261054422 is about 16157.1786522276. The cubic root of 261054422 is about 639.1120678115.

The spelling of 261054422 in words is "two hundred sixty-one million, fifty-four thousand, four hundred twenty-two".