542401022 has 4 divisors (see below), whose sum is σ = 813601536. Its totient is φ = 271200510.

The previous prime is 542401003. The next prime is 542401033. The reversal of 542401022 is 220104245.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 542400985 and 542401003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135600254 + ... + 135600257.

It is an arithmetic number, because the mean of its divisors is an integer number (203400384).

Almost surely, 2^542401022 is an apocalyptic number.

542401022 is a deficient number, since it is larger than the sum of its proper divisors (271200514).

542401022 is a wasteful number, since it uses less digits than its factorization.

542401022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271200513.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 542401022 is about 23289.5045460396. The cubic root of 542401022 is about 815.5304221490.

Adding to 542401022 its reverse (220104245), we get a palindrome (762505267).

The spelling of 542401022 in words is "five hundred forty-two million, four hundred one thousand, twenty-two".